Hi
My Galaxy Note 9 (N906F/DS, CSC Code: INS, 512 GB variant) started restarting on its on. It was restarting continuously.
I tried factory reset from recovery mode. Didn't work.
Finally I decided to flash the stock rom. Now the restart problem is resolved but I am getting encryption failed message when device boots up. Also in recovery it says "Not enough storage resource" and asking me to perform "Lacking Storage Booting" (This is coming up only sometimes in recovery), but I don't have that option in my recovery.
I think I have corrupted my internal storage.
Please help.
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Very elementary, and probably not helpful, suggestion... but go to recovery (bixby + up volume + power on, holding up vol even after screen lights). Then from there wipe the cache. Like I said, not likely... but maybe worth a shot.
Blessings.
while flashing rom tick the nand erase option in odin. it will completel erase and re format the paritions on the phone.
shonkin said:
Very elementary, and probably not helpful, suggestion... but go to recovery (bixby + up volume + power on, holding up vol even after screen lights). Then from there wipe the cache. Like I said, not likely... but maybe worth a shot.
Blessings.
Click to expand...
Click to collapse
That was the first thing I tried.
Munawar Mehmood said:
while flashing rom tick the nand erase option in odin. it will completel erase and re format the paritions on the phone.
Click to expand...
Click to collapse
Tried that too.. I took the pit file from stock firmware and ticked nand erase and re-partition and provided the extracted pit file. Still same. I took it to samsung service center yesterday, they also tried to flash it and now they are saying we need to replace the motherboard which is costing around 18k INR ($240). Is there anything I can try?
Swapnil Vijay said:
Tried that too.. I took the pit file from stock firmware and ticked nand erase and re-partition and provided the extracted pit file. Still same. I took it to samsung service center yesterday, they also tried to flash it and now they are saying we need to replace the motherboard which is costing around 18k INR ($240). Is there anything I can try?
Click to expand...
Click to collapse
Hi
Can I ask where you are located Samsung just tried to bill me 26,500 to replace my board.
Id probably like to get a board replacement done by your guy.
I suspect the only solution is to replace your board many times the mistake we make is thinking that s/w will fix the problem. Im in a similar situation as you.
If you do replace the board Id like to call dibs on your audio IC lol.
RonChinoy said:
Hi
Can I ask where you are located Samsung just tried to bill me 26,500 to replace my board.
Id probably like to get a board replacement done by your guy.
I suspect the only solution is to replace your board many times the mistake we make is thinking that s/w will fix the problem. Im in a similar situation as you.
If you do replace the board Id like to call dibs on your audio IC lol.
Click to expand...
Click to collapse
I am in Bhopal, Madhya Pradesh.
I guess I will get the board changed then.
But this is too bad for a flagship phone. Its been just a year and a half and now I have to spend another 18K on a phone. This is not acceptable. I am not going to trust Samsung anymore. Also service centers should have engineers to repair the board, for example instead of replacing the board they can just replace the memory IC.
RonChinoy said:
If you do replace the board Id like to call dibs on your audio IC lol.
Click to expand...
Click to collapse
About this, can I ask them to give my old board back to me?
Swapnil Vijay said:
I am in Bhopal, Madhya Pradesh.
I guess I will get the board changed then.
But this is too bad for a flagship phone. Its been just a year and a half and now I have to spend another 18K on a phone. This is not acceptable. I am not going to trust Samsung anymore. Also service centers should have engineers to repair the board, for example instead of replacing the board they can just replace the memory IC.
About this, can I ask them to give my old board back to me?
Click to expand...
Click to collapse
They better return the old board. Else where is the proof they changed it ?.
I have been in the service Industry for over 30 years. Worked with Tata Company, IBM, Compaq, Setup the first service centers for IBM and Compaq in India.
Never have I seen the level of unprofessionalism shown by Samsung. They need to sack their 3rd party vendor and get in a new team. Go check the Samsung Face Book page. They have a rating of 1.6 out of 5.
If a one plus phone can last 5 years, my nexu 5 still runs. I fail to see why a flagship should fail.
They have screwed up big time over and over again. Did you know the update broke the S20s also ?.
Anyway I am looking into why these failures after the update. And the hint seems to be excessive heat.
I suspect for example in a case like yours. Just reballing the memory IC would fix it.
In my case also I plan to try and re-ball the IC. If that fails I will put in a new IC.
Parts are dirt cheap just check out aliexpress. Samsung service are basically riping us off.
Instead of apologising to us. For the time and inconvenience faced They want to shaft us.
I predict this years launches are going to bomb big time. The note ultra 20 is rumored to already have a display issue.
Which makes the regular Note 20 screen look better. People are saying the Note 20 feels like one of those dummy phones you see in a store.
RonChinoy said:
Anyway I am looking into why these failures after the update. And the hint seems to be excessive heat.
I suspect for example in a case like yours. Just reballing the memory IC would fix it.
Click to expand...
Click to collapse
This makes a lot of sense because when my handset started restarting, it was producing so much heat that I couldn't even touch it with my bare hands and I had to keep it in refrigerator at 7 degrees for around 15 sec to make it normal again.
I just have one more doubt, if we assume that the memory IC is corrupted or is moved from its place due to excessive heat, then how am I able to flash the whole operating system of 6 GB into memory? Is it like they have separate chips for Internal memory and OS (including recovery, bootloader etc...)
Swapnil Vijay said:
This makes a lot of sense because when my handset started restarting, it was producing so much heat that I couldn't even touch it with my bare hands and I had to keep it in refrigerator at 7 degrees for around 15 sec to make it normal again.
I just have one more doubt, if we assume that the memory IC is corrupted or is moved from its place due to excessive heat, then how am I able to flash the whole operating system of 6 GB into memory? Is it like they have separate chips for Internal memory and OS (including recovery, bootloader etc...)
Click to expand...
Click to collapse
I have posted else where on various companies that ran into problems after the Android 10 update. You can find the links if you google. It started first with Pixel phones, because Google phones got the update first. Many articles about the problems faced. As per the last article I read google had as of yet not released a fix. 8 months after the problem started.
In their case it was to do with a partition table for sensor data getting corrupted. So sensors started acting up and eventually failed.
Then it hit Asus phones. Rog2 owners faced problems.
Then it hit Samsung phones. The fun bit here is that it only hit their Exynos phones. Not the Snapdragons.
It hit their Flagship for 2020 S20 the worst with screens turning green.
This leads me to believe that all Exynos CPUs phones where impacted. But as only the S20 phones were still in warranty they focused all their attention on fixing the problem via s/w only for this phone.
See this link.
https://www.androidauthority.com/sa...eiiMQEIXQW51SJYUbXKOox5BC0QDa7aF2N3iHMlTnpYPU
So between the version that caused the problem and the fix they rolled out a lot of our phones saw problems like overheating / slow charging/display / audio issues.
This overheating caused the BGA solder and chips, to over-expand and then when it contracted back down again. The stability of the connection was compromised.
This also explains why the problem appeared then vanished. If you follow the link above you will get an idea of the timeline. Android 10 update comes out. Phones impacted. Samsung releases a fix. The problem is fixed. This is obviously an inhouse effort because google themselves have not yet addressed the issue. Let me dig up the google link I will post it in a bit.
We will know what the issue was when google fixes it. I don't expect Samsung to share that info.
So after the update, the overheating and slow charging problem vanished. But the damage was done.
BGA memory chips have hundreds of interconnects. I suspect the chips which were further away from the cooling pads got the worst of it. Maybe the CPU with its heat sink and water cooling was able to handle the heat. But audio IC with no heat sink could not. Who knows.
Samsung should just replace these devices and then take the failed devices to their plant and do a forensic analysis on the failures. I am sure your phone like mine is mint. i.e. no chance of them saying it was dropped or bumped.
Also water sensors are not tripped. So they must resolve such issues with a replacement. Let them take the board and analyze it. If they do not I plan to do it myself anyway. And will share the finding. The problem is to get the chip off we have to heat it. That will cause the lead to melt anyway. What they need to do is slice the chip off in layers and then analyze the solder.
In most countries, this is a 1-hour job max. Open phone, take off-chip. Clean up. Reball with a stencil. And fix the chip back. But for some reason in India. We do not have this level of repairs being done at least not by people who can be trusted.
My note 4 Samsung, they refused to service because it was purchased outside India.
I gave it to a local repair shop that claimed to have a reballing setup. And he totally botched the job. The phone was returned with parts missing and screws missing.
That is why I went out and purchased my note 9. Even though I hate the Exynos CPU.
This time I plan to do it myself. I build digital circuits for a living. With the right stencil and SMD paste, I see no reason why it cant be done.
I know how hard disks work. Not sure about Nand. i.e. on a hard disk when you format it bad sectors are marked as bad and not used. It could also be a voltage problem. Can't say till it opened up. Or diagnosed.
I am looking for the Schematics if anybody can help. I did find the service manual. But it has no schematics.
Ps: Here is the article I was referring to. I tried to log a complaint with google when it started to heat up. But they have closed the comments on the issue. Finally I expect Samsung to fix this cause I paid them a lot of money. I did not pay google. And BTW one plus phones had no such issue cause they are on the snap dragon.
https://www.androidpolice.com/2020/...d-10-update-issue-which-breaks-pixel-sensors/
Ps: In my case they demanding 26500 is a scam. I have it from their CEO of the service office. In writing.
Here is what the prices should be. These prices seem more in line with prices in China / Malaysia / Pakistan.
https://www.gsmscore.com/samsung/ga...PA2Afv8gXnAORYVCmONeHnX5XG9DCxeqoIJwOiE5EGOB0
And if you want to know the internals of your phone. Here is a link for the service manual.
https://www.mediafire.com/file/bvgv4qjbwagw91s/Note_9_Service_Manual.zip/file
The Samsung Service manual and schematic uses cryptic codes and part numbers for each part.
The was to convert these codes to a part number is to go to this site and search for it.
http://www.samsungparts.com/
Ps: On researching my audio issue. I found this datasheet for the audio IC.
Its max operating temp is 85c. I saw a warning on my screen saying phone is too hot. This log should be saved somewhere.
https://statics.cirrus.com/pubs/proDatasheet/CS47L90_F3.pdf
Related
i dont know when it happened but i noticed it today when my car charger stopped working. i looked at the usb port on the phone and noticed the usb terminal was partially bent downward. the phone still charges with the regular charger and still syncs, so until it completely stops working ill just leave it. PPCtechs will fix it for $80. htc told me that most likely it wont be covered under warranty but they need to look at it first to determine if i broke it. I asked the rep how do they determine that. At that point i realized it was a bunch of BS. he said the charge to repair is $305. and even if its not covered and i decide to let PPCtechs fix it, i still have to pay a $28 dollar inspection fee.
Shame, mine broke like that too but it was within a few days of getting it so T-Mobile changed the handset.
It really shouldn't be possible to break the USB connector. I know we should exercise care (and I do now!) but it's a critical point of failure. I still don't know how I broke mine.
astromark said:
Shame, mine broke like that too but it was within a few days of getting it so T-Mobile changed the handset.
It really shouldn't be possible to break the USB connector. I know we should exercise care (and I do now!) but it's a critical point of failure. I still don't know how I broke mine.
Click to expand...
Click to collapse
Mine is bent a tad but still syncs fine. If you google you get thousands reporting this, but HTC doesn't fix it in new models. Cheap component. If it breaks on me I'll be getting another windows smartphone by a different mfr.
As nice as the HTC products are, such a critical component is made as poor as can be. If that point fails, you can't charge your phone or perform sync functions. This means a bricked device. What gives?
yea im already looking for a replacement device. my last nokia had a rare joystick failure. im not even sure what to get next. i waited way too long for this phone to release and paid top dollar to have it when it first came out. now i finally have my phone set up perfect and its broken.
Same thing here... hasn't broken yet but it's slightly bent on on the right side of the mini usb on the phone.
here is the direct number to htc. 425-861-9174. once i find the right person to talk to i give the ext. maybe if more than one person callls the same person at htc they will give in.
smuook said:
Same thing here... hasn't broken yet but it's slightly bent on on the right side of the mini usb on the phone.
Click to expand...
Click to collapse
Hey, that's the exact same for me. The right side is slightly sloped down.
If someone does get a extension I'll be sure to call!
well that is strange that all 3 of us have it broken the same exact way . at this point it looks like a manufacture issue. ill get a direct extension tomorrow. and ill talk to my lawyer on friday.
Cant Aim
I am also on my way to a Broken USB. I know how my USB broke and it was pretty dumb. I have been in a dark place many times and pushed the stylus in the port (upper right corner). I have moved it back into place and put a little Super Glue in there. I don’t think this will last. So I was just wondering if the USB problems everyone is having could be caused from the same. I am looking for a cover to prevent this from happening again and if anyone knows of one please let me know. DUHHHHHHH!
If anyone ends up with a broken usb port and wants to sell the phone please PM me...I know someone that can fix it (had to have it fixed on my mda) and would like to upgrade my old phone.
famewolf said:
If anyone ends up with a broken usb port and wants to sell the phone please PM me...I know someone that can fix it (had to have it fixed on my mda) and would like to upgrade my old phone.
Click to expand...
Click to collapse
I found this place that does HTC repairs. Positive feedback from people on other forums.
http://pocketpctechs.com/main~unit~HTC_Kaiser-71~area~repairs.htm
Since I paid $400 for my phone, worth the $60 pricetag to have this repaired if it breaks. Just thought others would like to know if they ever meet the cold reality.
In my book it is poor business practice to design core components cheaply , so that it will inflate sales when failures occur. (So that you or your carrier will have to eat the cost when a USB port breaks. Pure profit for HTC)
Definitely makes me angry the port is so cheaply made. Of all things on a phone to be cheaply made. Make the PTT button we never use cheap, make the camera cheap (since it's not amazing anyway), make anything cheap BUT the USB port.
The USB port is the central way to charge the phone, apply updates, sync it, it's the lifeblood of the phone. Without it, the phone is trash unless repaired. But thats probably the whole point.
Make cheap USB port
Breaks
Carrier foots cost for buying replacement phone for customer. (Or customer foots cost)
PROFIT FOR HTC!
Wow... I thought it was just me. Here's a pic of mine, I think it shows it pretty well. Like I said before, it's still works fine... doesn't look very pretty though. I've been babying my Tilt and haven't had any maltreatment. This is just from normal wear and tear...
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jon_k said:
I found this place that does HTC repairs. Positive feedback from people on other forums.
http://pocketpctechs.com/main~unit~HTC_Kaiser-71~area~repairs.htm
Since I paid $400 for my phone, worth the $60 pricetag to have this repaired if it breaks. Just thought others would like to know if they ever meet the cold reality.
In my book it is poor business practice to design core components cheaply , so that it will inflate sales when failures occur. (So that you or your carrier will have to eat the cost when a USB port breaks. Pure profit for HTC)
Definitely makes me angry the port is so cheaply made. Of all things on a phone to be cheaply made. Make the PTT button we never use cheap, make the camera cheap (since it's not amazing anyway), make anything cheap BUT the USB port.
The USB port is the central way to charge the phone, apply updates, sync it, it's the lifeblood of the phone. Without it, the phone is trash unless repaired. But thats probably the whole point.
Make cheap USB port
Breaks
Carrier foots cost for buying replacement phone for customer. (Or customer foots cost)
PROFIT FOR HTC!
Click to expand...
Click to collapse
Thanks for the link... hopefully I won't need it anytime soon.
smuook said:
Click to expand...
Click to collapse
Amazing.
Looks like a picture of my tilt with the USB bent in the exact same way.
A coworker checked out my new phone the second day I got it and said "You already bent your USB?" and I had to b.s. and say "No the plug is designed that way" he was like "ahh.... thats not right."
HTC oughta fixit!
this is why the right side is bent on usb port
flexte said:
well that is strange that all 3 of us have it broken the same exact way . at this point it looks like a manufacture issue. ill get a direct extension tomorrow. and ill talk to my lawyer on friday.
Click to expand...
Click to collapse
..cuz you must have accidentally poked the stylus in the usb port while meaning to poke into the reset hole. I've had this happen a couple of nights ago while driving where I had to reset the device and in the dark I pushed the stylus in the usb port a couple of times instead of the reset one.. I only realized this when I synced the device next and found it to not recognize it and also not charge via either the computer or wall charger. So, I looked at the usb port and there it was.. slightly bent down from the right edge of the inner pins.
Whether its flimsy or not (which I totally agree that it is after my gentle inserting of the stylus just a couple of times) HTC should have given a rubber/soft cover for the port. Would make a lot of difference.
I managed to fix mine for now though.
ajfloridian said:
..cuz you must have accidentally poked the stylus in the usb port while meaning to poke into the reset hole...
Click to expand...
Click to collapse
You are probably right... don't remember doing this but it sounds like the likely cause.
sorry to hear that a few people are quick to blame themselves. the only place i accidentally put my stylus is between the keyboard and the display. i did that twice. i rarely use the stylus and unike others i would have remebered it. mine does look exactly like the one in the pic. in another forum i was told it was designed to be bent? anyway bad design imho and sice im not the only one thbks should be fixed. i build and sell 500-700 thousand dollar homes. when someone is unhappy i sometimes have to bite the bullet and take it out of my pocket. its called good business.
anyone get theirs fixed yet? now none of my charge and sync cable works. The only cable that works is the original charger and the original sync cable.im sure i will have to get this repaired soon. i have called HTC corporate but nothing so far.
fixed mine..
I had the same thing happen to mine after 2 weeks of ownership. I took it to a ATT dealer and he tried a different charger and nothing worked. He said its a dead USB port and to exchange it. Mine looked that picture above as well.. I ended up fixing it by taking a flat edge butter knife and gently straightening it out so it was flat again. I plugged it in and bingo worked like new. I can't believe that these ports are so sensitive.
the usb port on my 8125 broke a long time ago and i just went to a repair shop.. he fixed it with a brand new one in about 20 min and charged me 35 bucks.
Hello,
so today I bought a second-hand LG optimus black that was soft-bricked and had a cracked touchscreen. Since I'm not new to android and know how to fix these things, I thought this was just another way for me to get a good phone cheap.
The problem is:
- after unbricking the phone, and installing official v10a software, there are issues with the phone - camera force closes, any of sd cards wont be recognized ("removed sd card, insert a new one" notification, never changes), the screen rotation doesn't work, there is no lockscreen, phone dialer has lags, and the screen turns on after 5-10 seconds. Otherwise it's ok.
With software v20b it also likes to hang up. Theeen you have to remove the battery
So I dissasembled it, and it seems to have short circuited somewhere on the motherboard (there is a brown spot on the metal motherboard cover plate).
I marked the area in a picture below (notice that it's right next to the SanDisk chip - i guess that organizes the memory, so it should take care of the sd card as well). Keep notice this isn't the picture of my motherboard, I will post my own photos a bit later..
Maybe it was waterdamaged, but the sticker on the battery is white :/
Please don't tell me to factory reset, or try other software or memory cards, already did that.
CWM won't detect memory cards as well.
I need any possible ideas to fix it.. do you think a reflow would have any chances to do the job? any ideas, please, will try anything..
PLEASE, help.
Some update. So I flashed software V30B, and it seems to get better - finally I get a lockscreen, and not in 10 seconds also, the accelerometer sensor is working, phone is smoother. FRONT camera is working as well, while in video call mode, yay! when turning on the camera, it has a black screen with all the buttons and camera settings, and a message that there's no sd card (although it's inserted :| ) and hangs up if I switch to front camera. Memory card still not detected..
Thinking of capturing a video to show you whats the situation.. Till then here are some photos to show you my beauty
P.S. don't be shy, guys, any ideas for fixing?..
the photos
Anyone?
I thought I would get some replies, at least maybe I was wrong
Eimantazzz said:
Anyone?
I thought I would get some replies, at least maybe I was wrong
Click to expand...
Click to collapse
i am sorry, but ppl in here(p970) isnt as good as ppl on s2 or s3 thread.......
maybe on s2 there is chainfire, that undrrstand phone by hardware and software....but here....even development is on "almost dead" stage.....no stable cm, even cm7.....so sad.....
so....dont expect professional answer soon.......
and btw..try your luck on android hardware hacing thread....maybe there is some answer for you there
123r4ka456 said:
i am sorry, but ppl in here(p970) isnt as good as ppl on s2 or s3 thread.......
maybe on s2 there is chainfire, that undrrstand phone by hardware and software....but here....even development is on "almost dead" stage.....no stable cm, even cm7.....so sad.....
so....dont expect professional answer soon.......
and btw..try your luck on android hardware hacing thread....maybe there is some answer for you there
Click to expand...
Click to collapse
Thanks for the reply!
Well I thought I would find more hardware technicians here, but whatever..
I downloaded the service guide for optimus black, and after looking at the schematic sheets, I'm 90% sure it's "SUB PMIC CAM POWER (LP8720)" controler that's failing. It controls the 5mp camera, microSD card and motor driver (vibration) power supplying. Neither of these functions are working on my OB. So no need for hardware hackers, nothing new they can tell me. So I'm thinking of ordering this pmu, but could you tell me guys where I could get it from with normal priced shipping? Shipping time wont matter at all.. Digi-key and mouser want to charge me with 40$ shipping, while all I need is a 2$ part
Eimantazzz said:
Thanks for the reply!
Well I thought I would find more hardware technicians here, but whatever..
I downloaded the service guide for optimus black, and after looking at the schematic sheets, I'm 90% sure it's "SUB PMIC CAM POWER (LP8720)" controler that's failing. It controls the 5mp camera, microSD card and motor driver (vibration) power supplying. Neither of these functions are working on my OB. So no need for hardware hackers, nothing new they can tell me. So I'm thinking of ordering this pmu, but could you tell me guys where I could get it from with normal priced shipping? Shipping time wont matter at all.. Digi-key and mouser want to charge me with 40$ shipping, while all I need is a 2$ part
Click to expand...
Click to collapse
well mate, i have no idea..... i am just normal customer, if something wrong with my phone, and i cant fix it, i always go to official service center......
but, i hope you got some luck out there, happy shopping
Makes sense. Most people don't believe that ICs are a very sensitive component.
Obviously, I can't make a theory of what's wrong on that device, as I don't have it here.
Do you have a multimeter? On the service manual you might have somewhere what to do (e.g. where to measure voltages) if some functions are not working, or did you already try that? I know the service manual always ends with "replace pcb", as usually the technical support don't actually do the repairs, they just follow what's on the manual and send the old parts to the manufacter for repairing and reassembling, but it might help you understand if you really need to replace this IC. Is there any fuse nearby, for example? Remember, a short circuit would break fuses. You can check with a multimeter whether they're damaged or not (continuity test).
There's not much I can say, really...these are just some suppositions...
Good luck with that, man
Sent from my LG-P970 using Tapatalk 2
von Mandrake said:
Makes sense. Most people don't believe that ICs are a very sensitive component.
Obviously, I can't make a theory of what's wrong on that device, as I don't have it here.
Do you have a multimeter? On the service manual you might have somewhere what to do (e.g. where to measure voltages) if some functions are not working, or did you already try that? I know the service manual always ends with "replace pcb", as usually the technical support don't actually do the repairs, they just follow what's on the manual and send the old parts to the manufacter for repairing and reassembling, but it might help you understand if you really need to replace this IC. Is there any fuse nearby, for example? Remember, a short circuit would break fuses. You can check with a multimeter whether they're damaged or not (continuity test).
There's not much I can say, really...these are just some suppositions...
Good luck with that, man
Sent from my LG-P970 using Tapatalk 2
Click to expand...
Click to collapse
I do have a multimeter, I'm kinda into electronics so..
Yeah, so I had a little break and checked the phone out only a few minutes ago.
The LP8720 is the problem, but its much more f..ked up than I thought..
I marked three spots on the circuit that are quite odd:
1. The place where IC U601 - LP8720 should be.
2. 2.2uH wire wound resistor L601 (MIPSZ2012D2R2 MIPSZ2012D2R2, 2.2 uH, N,2.0X1.2X1.0), not sure if it works, maybe it burnt out, my multimeter shows 0ohm on this one.
3. The place where capacitor C604 (10uF) should be.
I attached the pic of my motherboard, you'll see whats up..
The only place I can get LP8720 is alibaba.com, and the minimum quantity is 10.. that makes about 16 bucks for these. Would be worth buying and trying to fix? And another thing, it's named LP8720TLX-B, not LP8720TLX. Do you think it'll do?
I'm now thinking of taking it to a service center, ask if they could do such a job and how much would it cost..
Thanks for the replies, by the way!
Peace
Eimantazzz said:
I do have a multimeter, I'm kinda into electronics so..
Yeah, so I had a little break and checked the phone out only a few minutes ago.
The LP8720 is the problem, but its much more f..ked up than I thought..
I marked three spots on the circuit that are quite odd:
1. The place where IC U601 - LP8720 should be.
2. 2.2uH wire wound resistor L601 (MIPSZ2012D2R2 MIPSZ2012D2R2, 2.2 uH, N,2.0X1.2X1.0), not sure if it works, maybe it burnt out, my multimeter shows 0ohm on this one.
3. The place where capacitor C604 (10uF) should be.
I attached the pic of my motherboard, you'll see whats up..
The only place I can get LP8720 is alibaba.com, and the minimum quantity is 10.. that makes about 16 bucks for these. Would be worth buying and trying to fix? And another thing, it's named LP8720TLX-B, not LP8720TLX. Do you think it'll do?
I'm now thinking of taking it to a service center, ask if they could do such a job and how much would it cost..
Thanks for the replies, by the way!
Peace
Click to expand...
Click to collapse
Hey man,
keep an open mind
What makes you so sure that this IC is damaged?
Think: if the nearby components are damaged, then this IC may behave differently (or may not work at all). We don't need math to think this.
But yes, it can be damaged, but since this is the most expensive component, I think it is really worth checking the others first.
Anyway, answering your topics:
1. Everything looks fine. Good ^^
2. Yes, it's probably damaged. An inductor is supposed to have resistance, but not much. For this one, 0.23 ± 30% Ohm.
Source (datasheet): http://www.fdk.co.jp/cyber-e/pdf/CD-TCE070.pdf
3. Fortunately, this is an easy one. If in doubt, just replace it.
Now, for the headache...LP8720TLX-B and LP8720TLX might be the same IC, but the only way to know this is by comparing their datasheets.
16 bucks is a lot to pay for a component (yeah, it's 10 of them, but it's still a lot). But this is actually your call...are you willing to pay 16 usd for an IC? If it was me, and I was entirely sure it would fix everything, I would probably buy them, but then...like I said, your call.
I think it's worth taking it to a service center, but if they truly follow the service manual, they will tell you they need to replace the entire pcb. But I really think it's worth to try, you never know.
Good luck
The HTC One M7 is my third Android smartphone, and as pretty and fast as it is, it is easily the worst phone I've ever owned. I have run into several critical hardware and software problems, and my experiences with the support, and particularly the repair, departments have been abysmal. I was curious whether other people have had these problems.
I was one of the many people with the purple tint. Seeing the threads on here, I opted to grin and bear that situation until some software fix came. I should have sent the phone back immediately for a refund and never looked back.
My second mistake was accepting the 4.06.1540.2 OTA update. That update made it impossible for me to decrypt and boot my encrypted storage. Desperate to restore my month's worth of data, I sent the device into the repair center at my own cost, to repair the camera, and get some kind of fix for the software situation.
Of course, the repair took two weeks, and they casually wiped my storage, so that was a waste. Worse, when sealing my phone back up (from the camera replacement), they made it so my volume rocker would not respond to an "up" press. And for added hell, I found that the 4.06.1540.2 firmware silenced all call audio, making my smartphone a post-phone.
I eventually built up the courage to upgrade to 4.06.1540.3 once that was released, restoring call capability. Months later, as I creeped toward my 1-year warranty limit, I elected to send the phone back to deal with the volume rocker, and a micro-usb slot that had become quite finicky. Third mistake, and by far the biggest.
The repair center was even slower this time, taking over two weeks to make an assessment, and eventually charging me $109 to swap my device because they claimed that superficial damage on a non-intersecting corner of the device "could" have caused my other issues, thus invalidating their warranty obligations. I relented, having spent such a long time without my phone, and got a bright, shiny, new(ish) phone.
Of course, I didn't trust them as far as I could throw them, so I put the new device through their own battery of tests (available from the dialer at *#*#3424#*#*). Unfortunately, what I didn't realize until I took a road trip was that location was only working because of Google's excellent WiFi and mobile network assistance, and that GPS does not work, at all. Since I was unlocked, I took a full backup, and then performed a factory reset in TWRP. Of course, I then realized that the /sdcard/ path is not a separate partition, but a symlink to a /data/ subfolder, and so I lost the backups in the reset. Thanks, TWRP! And, GPS still doesn't work.
I'm now begging support for yet another RMA, and am dreading to hear how much money they will be extorting from me this time around, for a device that was probably sent back for broken GPS by its last owner.
I have spent countless hours on dealing with the flaws of these two M7 phones, particularly haggling with HTC Support, begging them to do what they are legally obligated to do, and reconfiguring the devices after countless factory resets. I bought direct from HTC, and that has not been helpful in the least. Clearly they are more comfortable with the carriers handling customers.
The experience has been bad enough that I am seriously contemplating buying an iPhone next, because these Android manufacturers just don't care about customer support or satisfaction. My last two Androids were not this catastrophically bad, but they were also treated with the utmost indifference by their manufacturers (Motorola and Samsung).
Have you had similar experiences with HTC? How do you handle these problems when they come up? Do I need to hire a lawyer to get a proper repair?
seroaddict said:
The HTC One M7 is my third Android smartphone, and as pretty and fast as it is, it is easily the worst phone I've ever owned. I have run into several critical hardware and software problems, and my experiences with the support, and particularly the repair, departments have been abysmal. I was curious whether other people have had these problems.
I was one of the many people with the purple tint. Seeing the threads on here, I opted to grin and bear that situation until some software fix came. I should have sent the phone back immediately for a refund and never looked back.
My second mistake was accepting the 4.06.1540.2 OTA update. That update made it impossible for me to decrypt and boot my encrypted storage. Desperate to restore my month's worth of data, I sent the device into the repair center at my own cost, to repair the camera, and get some kind of fix for the software situation.
Of course, the repair took two weeks, and they casually wiped my storage, so that was a waste. Worse, when sealing my phone back up (from the camera replacement), they made it so my volume rocker would not respond to an "up" press. And for added hell, I found that the 4.06.1540.2 firmware silenced all call audio, making my smartphone a post-phone.
I eventually built up the courage to upgrade to 4.06.1540.3 once that was released, restoring call capability. Months later, as I creeped toward my 1-year warranty limit, I elected to send the phone back to deal with the volume rocker, and a micro-usb slot that had become quite finicky. Third mistake, and by far the biggest.
The repair center was even slower this time, taking over two weeks to make an assessment, and eventually charging me $109 to swap my device because they claimed that superficial damage on a non-intersecting corner of the device "could" have caused my other issues, thus invalidating their warranty obligations. I relented, having spent such a long time without my phone, and got a bright, shiny, new(ish) phone.
Of course, I didn't trust them as far as I could throw them, so I put the new device through their own battery of tests (available from the dialer at *#*#3424#*#*). Unfortunately, what I didn't realize until I took a road trip was that location was only working because of Google's excellent WiFi and mobile network assistance, and that GPS does not work, at all. Since I was unlocked, I took a full backup, and then performed a factory reset in TWRP. Of course, I then realized that the /sdcard/ path is not a separate partition, but a symlink to a /data/ subfolder, and so I lost the backups in the reset. Thanks, TWRP! And, GPS still doesn't work.
I'm now begging support for yet another RMA, and am dreading to hear how much money they will be extorting from me this time around, for a device that was probably sent back for broken GPS by its last owner.
I have spent countless hours on dealing with the flaws of these two M7 phones, particularly haggling with HTC Support, begging them to do what they are legally obligated to do, and reconfiguring the devices after countless factory resets. I bought direct from HTC, and that has not been helpful in the least. Clearly they are more comfortable with the carriers handling customers.
The experience has been bad enough that I am seriously contemplating buying an iPhone next, because these Android manufacturers just don't care about customer support or satisfaction. My last two Androids were not this catastrophically bad, but they were also treated with the utmost indifference by their manufacturers (Motorola and Samsung).
Have you had similar experiences with HTC? How do you handle these problems when they come up? Do I need to hire a lawyer to get a proper repair?
Click to expand...
Click to collapse
Well, I have only had 1 issue with it- purple tint. Within 5 days, my phone came back repaired. No hassles
I have a perfectly working GPS, volume rockers are perfect, and no issues with the newer firmwares. Looks like you've had an exceptionally bad experience with the phone.
raghav kapur said:
Well, I have only had 1 issue with it- purple tint. Within 5 days, my phone came back repaired. No hassles
I have a perfectly working GPS, volume rockers are perfect, and no issues with the newer firmwares. Looks like you've had an exceptionally bad experience with the phone.
Click to expand...
Click to collapse
I wonder if you had a better experience because of a different repair center. The one that they have me send things to here in the USA is not actually run by HTC, and they clearly don't give a damn. Did you get the impression that you were sending your phone to HTC itself?
seroaddict said:
I wonder if you had a better experience because of a different repair center. The one that they have me send things to here in the USA is not actually run by HTC, and they clearly don't give a damn. Did you get the impression that you were sending your phone to HTC itself?
Click to expand...
Click to collapse
I have had HTC since the Incredible and I have to say I never had any issues with their repair process. I flashed a wrong radio and burned it out on the Inc went back to stock and s-on shipped it to them and they refurbed it within a few hours of it hitting the repair center. My Rezound had a hard brick syndrome (they had an issue of not booting and being stuck in vibrate). They sent me one and had the UPS shipping slip for mine in the box to send them. My One had an odd USB port issue and that was dealt with by Best Buy so I cannot praise HTC on that.
Sent from my HTC6500LVW using XDA Free mobile app
Uzephi said:
I have had HTC since the Incredible and I have to say I never had any issues with their repair process. I flashed a wrong radio and burned it out on the Inc went back to stock and s-on shipped it to them and they refurbed it within a few hours of it hitting the repair center. My Rezound had a hard brick syndrome (they had an issue of not booting and being stuck in vibrate). They sent me one and had the UPS shipping slip for mine in the box to send them.
Click to expand...
Click to collapse
That's pretty amazing. It's like we're dealing with a completely different company. Either way, your stories give me some faint hope that my luck will turn around.
I am sorry that you have had such a bad experience with HTC support. I had the purple tint camera problem and took it to HTC service center for repair. I got it back in less than a week in perfect condition. I guess your service center is simply bad. cant you try another HTC service center ?
seroaddict said:
I wonder if you had a better experience because of a different repair center. The one that they have me send things to here in the USA is not actually run by HTC, and they clearly don't give a damn. Did you get the impression that you were sending your phone to HTC itself?
Click to expand...
Click to collapse
Nope, HTC didnt handle my phone. They outsource repairs to other companies. The repair guys whom i sent it to were general tech repair guys. They repaired it for free as i was under HTC's warranty
But i thought HTC did the repairs directly in US. Looks like i was wrong.
Never had issues with HTC UK - my phone managed to fall prey to a hardware failure where the device ends up in a bricked state after its been charged and for some reason turns itself off then won't turn back on again - this issue was often seen in the HOX and is, fortunately, much, much less common now.
Anyway, HTC UK Support were very fast and helpful, all postage was paid for and they didn't charge me a single penny for the repair as my device was in warranty, I was very happy with the service
I had recieved a faulty M7 when I bought it on 06.13. The volume rocker was stuck. It took me a month -and great help form elevate- to get a replacement after a month. There's no HTC support in Turkey. So the technical support (KVK and Teleservice) is terrible. I have purple tint issue and I need to give my phone for repair, but I'll wait for months and I don't want to.
I guess you can say my tint issue is extreme.
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I sent my HTC one off for repair when the volume rocker stopped working it took about two weeks came back all was fine but then a couple of months down the line my microphone broke and couldn't be heard while talking so of it went but sent it through phones 4u this time. Ended up getting a replacement handset because old one couldnt be repaired but realised it was damaged on the top right corner so sent it back and waited for a replacement. Got a new handset all wrapped in box been using it ever since but my wife has said that she can't hear me sometimes when in call so could be microphone going again but warranty is up I think and don't really want to send it off for repair all I can say is HTC phones aren't that really well built was thinking of upgrading to m8 but have seen there cameras glass is breaking some coming like that out of the box so no more HTC for me I am afraid. Just to add insult had Cerberus installed on phone that was unrepairable installed it on new one and thought I would see if it worked so went on line tryed all functions but nothing was working then realised an arrow next to HTC one clicked it and noticed two HTC ones there my old phone and new one. To my surprise it had took pictures of someone so phone had been fixed and sold on to someone else which they told me was unrepairable couldn't believe my eyes so repair centre's can't be trusted.
Sent from my Nexus 7 using xda premium
fifthelement said:
I guess your service center is simply bad. cant you try another HTC service center ?
Click to expand...
Click to collapse
I didn't know that I had a choice of service centers. I've always begun the repair process by getting an RMA from the HTC USA support website / phone line. Is there another way?
cokey77 said:
I sent my HTC one off for repair when the volume rocker stopped working it took about two weeks came back all was fine but then a couple of months down the line my microphone broke and couldn't be heard while talking so of it went but sent it through phones 4u this time. Ended up getting a replacement handset because old one couldnt be repaired but realised it was damaged on the top right corner so sent it back and waited for a replacement. Got a new handset all wrapped in box been using it ever since but my wife has said that she can't hear me sometimes when in call so could be microphone going again but warranty is up I think and don't really want to send it off for repair all I can say is HTC phones aren't that really well built was thinking of upgrading to m8 but have seen there cameras glass is breaking some coming like that out of the box so no more HTC for me I am afraid. Just to add insult had Cerberus installed on phone that was unrepairable installed it on new one and thought I would see if it worked so went on line tryed all functions but nothing was working then realised an arrow next to HTC one clicked it and noticed two HTC ones there my old phone and new one. To my surprise it had took pictures of someone so phone had been fixed and sold on to someone else which they told me was unrepairable couldn't believe my eyes so repair centre's can't be trusted.
Sent from my Nexus 7 using xda premium
Click to expand...
Click to collapse
HTC warranty after a replacement: the remaining time of current warranty or 90 days whichever is longer. Check to see if warranty is still valid
Sent from my HTC6500LVW using XDA Free mobile app
Code:
I also I'm quite unsatisfied. After upgrading to the latest version a couple of weeks ago, my battery time dropped down from 3 days to 6 hours. Most of the time wifi Bluetooth and Geo localsations are stopped, tht's why it resists for 3 days.
Since the upgrade, with the same config it only resists 6 hours. HTC support has asked for some tests and they concluded the battery was dead, even I explained it can't go from 3 days to 6 hours in 30 minutes they confirmed the first diagnostic.
So I sent the phone to repair shop and had fresh new battery.
You know what!!! It only goes for 6 hours.
I had HTC support again, some more tests their new suggestion is " send your phone again to a repair shop"
HTC phones are great but support horrefull!! !I did had similar experience with HD2 and HD7.
Hi
I have 256 GB blue note 8 HONG KONG Radio version , no Root , no magnetic cover , no screen protector no trauma no apparent damage ,
I noticed that the right side of the screen not responding to s pen , about 0.7 cm to the right as shown in attached screenshot , I tried another s pen from my old note 4 but the same problem , I tried different setting like reducing the resolution , minimizing screen size , shifting edge pane;l to the left but no response .,
any help ?
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shinystarr said:
Hi
I have 256 GB blue note 8 HONG KONG Radio version , no Root , no magnetic cover , no screen protector no trauma no apparent damage ,
I noticed that the right side of the screen not responding to s pen , about 0.7 cm to the right as shown in attached screenshot , I tried another s pen from my old note 4 but the same problem , I tried different setting like reducing the resolution , minimizing screen size , shifting edge pane;l to the left but no response .,
any help ?
Click to expand...
Click to collapse
Its probably hardware. There is a separate sensor behind the screen for the pen. Its has to be damaged somehow. I would factory reset first and see if it's still there. Then start the warranty process.
The problem since day 1 of the device .. I found many complains for the same problem .. my question is that issue present in all note 8 ?
I just checked mine and it is working properly.
shinystarr said:
The problem since day 1 of the device .. I found many complains for the same problem .. my question is that issue present in all note 8 ?
Click to expand...
Click to collapse
No, absolutely not. I have not seen any complaints on the issue myself. I have seen a pattern of Hong Kong sold devices having issues though. May want to check if you even have a genuine Samsung note 8. The knockoffs sold in Hong Kong are really good at passing for genuine devices. As you can see on my screenshot I can write to the edges no problem.
I don't know whaf to do next .. my phone ordered from eBay from USA seller
shinystarr said:
I don't know whaf to do next .. my phone ordered from eBay from USA seller
Click to expand...
Click to collapse
I would try first with the ebay seller in getting money back. If they are an honest seller and just have bad stock they should work with you. There are apps on the store you can use to verify if it's a genuine Samsung device as well. If it's genuine, i don't see why Samsung themselves wouldn't honor the warranty.
shinystarr said:
I don't know whaf to do next .. my phone ordered from eBay from USA seller
Click to expand...
Click to collapse
You have a couple options, depending on how long you've had the device:
Reach out to Samsung to inquire about warranty repair/replacement
Reach out to the seller to see if they will exchange.
Reach out to PayPal and make a claim for a receiving a defective device.
Last option, is you pay to have the LCD replaced.
Gizmoe said:
I would try first with the ebay seller in getting money back. If they are an honest seller and just have bad stock they should work with you. There are apps on the store you can use to verify if it's a genuine Samsung device as well. If it's genuine, i don't see why Samsung themselves wouldn't honor the warranty.
Click to expand...
Click to collapse
it is geniune, original , received sealed
shinystarr said:
it is geniune, original , received sealed
Click to expand...
Click to collapse
Mr Orange stated the options better than I. I would start with seller then paypal, then Samsung for repair if you can't get it exchanged.
Mr. Orange 645 said:
You have a couple options, depending on how long you've had the device:
Reach out to Samsung to inquire about warranty repair/replacement
Reach out to the seller to see if they will exchange.
Reach out to PayPal and make a claim for a receiving a defective device.
Last option, is you pay to have the LCD replaced.
Click to expand...
Click to collapse
I had it for 10 days , I'll contact seller first , I don't think that Samsung in my country will fix on warranty
shinystarr said:
it is geniune, original , received sealed
Click to expand...
Click to collapse
A sealed box is not an indicator of an authentic device.
Do what other person said, use software on app store to check authenticy then speak to seller and tell them you have a device faulty out of the box.
Sent from my SM-N950U using Tapatalk
shinystarr said:
I had it for 10 days , I'll contact seller first , I don't think that Samsung in my country will fix on warranty
Click to expand...
Click to collapse
I thought you may be in the no warranty boat. I think it's lame Samsung does that. You bought it just like anyone else. Hopefully the seller or ebay helps you out.
shinystarr said:
I had it for 10 days , I'll contact seller first , I don't think that Samsung in my country will fix on warranty
Click to expand...
Click to collapse
It wouldn't hurt to ask Samsung. Worse they can do is say no. They cant take away your Christmas (or whatever non-religious, non-offensive, generic holiday you may or may not celebrate during the last month of the year). Plus they could tell you if your IMEI is a genuine Note 8.
But reaching out to the seller is also a good Avenue, assuming they are selling genuine Note 8s.
Do not start spreading statements as "I have MANY COMPLAINTS" about your problem, as it is not the case, when some malfunction appears, the Only way to go as always, is warranty claim, regarding hardware issues, the only help will come from the seller, this posts stating or implying that many devices suffer of something without being verified are of no use, so, HARDWARE ISSUE=WARRANTY CLAIM, if you can not get a a solution this way because of the way you got your device, then the next time you should reconsider to buy from an official authorized dealer, when you buy from someone who offers a very good low price, you assume the risk of not obtaining a law enforced warranty
winol said:
Do not start spreading statements as "I have MANY COMPLAINTS" about your problem, as it is not the case, when some malfunction appears, the Only way to go as always, is warranty claim, regarding hardware issues, the only help will come from the seller, this posts stating or implying that many devices suffer of something without being verified are of no use, so, HARDWARE ISSUE=WARRANTY CLAIM, if you can not get a a solution this way because of the way you got your device, then the next time you should reconsider to buy from an official authorized dealer, when you buy from someone who offers a very good low price, you assume the risk of not obtaining a law enforced warranty
Click to expand...
Click to collapse
I ordered my note 8 online because in our country no 256 GB or blue version which I want , it cost me more than the official 64 version in my authorized dealer ..
I posted this to know is it a major complain or only mine ..
The point is, buying from an official authorized dealer in your home country is always the safe way to go, some problems of various types always arise in certain number on ANY brand, device type or model, buying from non official channels often make warranty claims somewhat difficult or impossible at times, if the exact model you want is not available in your home country, then the choice about peace of mind or desire/satisfaction comes in, on the other hand, that screen issue you have is not common or usual
winol said:
The point is, buying from an official authorized dealer in your home country is always the safe way to go, some problems of various types always arise in certain number on ANY brand, device type or model, buying from non official channels often make warranty claims somewhat difficult or impossible at times, if the exact model you want is not available in your home country, then the choice about peace of mind or desire/satisfaction comes in, on the other hand, that screen issue you have is not common or usual
Click to expand...
Click to collapse
I get what you're saying, and I'm sure the OP gets it, too. But I'm also sure he's just looking for advice and help for his issue, not to be kicked when he's down and lectured about buying internationally.
And to be fair, his original post said HE found a lot of similar complaints. You can't say for certain he hasn't found similar complaints by searching online, so berating him about whether or not its a common issue isn't helpful, and you honestly just come off as confrontational, like you're trying to pick a fight or trying to find a reason to be offended.
Just my two cents. I don't want to argue, and just want to see people get help if possible. It sounds like a hardware issue, and I have given him all the steps I know to take to get it taken care of.
Thanks for your help ..
At Samsung community forum there are 2 posts for the same complain , under those posts there are few customers complaining exactly the same , some reply stat that official samsung dealer asked them to put the device in safe mode .. safe mode didn't solve my problem ..
Other replies stated that samsung service accept replace on warrenty
In my case it seems that my only way is to return to the seller with losing the cost of shipping , costum and taxes at my country and his country ... or to accept the problem as it is and live with it . ?
BTW .. touching the screen with my finger is ok from edge to edge no problem .. the peoblem happens only with the S pen
Moisture Detected in Charging Port ?
Uhm no Samsung, mine was sitting on a desk for the first week or so I got it. Watched a few videos on it, had never had the thing outside. Same issue as most people who have reported this. I presumed sensor failure so gave my carrier a call.
Verizon replaced mine for free when it had this issue. The Tech Coach I'd spoke to said he'd seen it before (multiple reports) Its of a bad manufacturing batch sometime last year (December 2017 or so)
We'd gone through the whole air duster trick + clear cache and everything on the phone with support (TechCoach allows remote control by support, so they where able to see what was going on remotely), DON'T TRY AND DIY IT you could damage the phone and it doesn't fix the issue in all cases. Maybe some it will go away for a while, but then it will come back and you will be going bald in stress. :'(
The real safe way to fix it:
Get the thing RMA'd
(If you're under Verizon, follow my solution, or follow with your provider's RMA program):
Verify water sensors are not tripped ! (in my case I'd verified my moisture indicator underneath my SIM tray was not tripped), see here: https://www.verizonwireless.com/support/knowledge-base-142121/
Call for replacement, use carrier support app or call them via *611. TechCoach App usually got me help faster than calling *611. Verizon: Its eligible for Like-New replacement if you've had your phone for more than 15 days under Verizon 15-day policy if your phone has this defect. You can get a Brand New replacement if under the 15 day policy.
-
The new device has not encountered the 'moisture detected in USB port' problem here.
-
DO's and DON'Ts
PLEASE DO: RMA the phone. It can be a hassle but worth it, especially since Samsung is aware of this particular problem.
PLEASE DON'T try quick-fixing your phone yourself with an online 'life hack', they often don't work and are warranty voiding nightmares.
PLEASE DO: Make sure your phone's moisture indicators aren't tripped before giving them a call ! (Located underneath the SIM tray, link above)
PLEASE DON'T smash it in frustration. :^) I know that it is frustrating but thankfully Samsung was made aware of this defect and offering replacements for it.
December 2017 ? Bad batches ? None of this post makes sense. Sorry.
Sent from my SM-N960U1 using Tapatalk
I would actually wet the port then let it dry out and see if it 'resets' it.
then see if it still says moisture then get it replaced or at least wipe system first incase software got caught up on some weird issue(you should always factory wipe when sending a phone to strangers( literally and figuratively...lol))
edit:
OP
you do realize the note 9 is a sealed phone and yeah that link is pointing to old info. and you are posting in the note 9 forum
I have also i have never put on water on anything it stays at home or in my jacket when i m at work. So what could be the problem i tried different usb cables from Huawei same warning and i tried to insert trough the otg joystick it doesn't recognized the joystick. So i have 8 months till warranty it's probably faulty port. I will see if i can replace it trough the warranty or not i hope it doesn't cost too much.