Question SM-G998B Bricked - Samsung Galaxy S21 Ultra

Hey guys, second time this issue has happened now for me but seems worse now. I used posts from here to resolve back in March when device got stuck in a boot loop after an OTA update, I managed to use Odin and a firmware from Sams Mobile to flash the phone and get it working again.
This time seems different though, I haven't tried the above steps yet, but none of the drives are mounting in the android recovery menu, which makes me think the device is going to need replacing. Anyone else come across this?

Seems different?
Well I would try Odin and an official ROM anyway, no pain no gain right?

What exactly were you doing before this occured?

You try the old delete usb driver, restart computer, install usb driver then restart computer and restart phone and try again.

SirDigbyCC said:
Hey guys, second time this issue has happened now for me but seems worse now. I used posts from here to resolve back in March when device got stuck in a boot loop after an OTA update, I managed to use Odin and a firmware from Sams Mobile to flash the phone and get it working again.
This time seems different though, I haven't tried the above steps yet, but none of the drives are mounting in the android recovery menu, which makes me think the device is going to need replacing. Anyone else come across this?
Click to expand...
Click to collapse
there is never a bricked device for good just keep searching using very device speacific info, check on youtube and search the names exactly as the ypop up there will always be something

flairepathos.info said:
there is never a bricked device for good just keep searching using very device speacific info, check on youtube and search the names exactly as the ypop up there will always be something
Click to expand...
Click to collapse
Looks like he bricked his bootloader's storage access driver, which AFAIK is unrecoverable unless download mode / sahara / etc is fine, but if the board is refusing to mount data while in the bootloader, it's safe to bet the rest of the modes are ****ed.

To answer a few of your questions in one go:
When I flashed it before it was back in end of Feb so a good while ago.
Just before it went into this boot loop it was working normally playing music in my pocket while doing gardening.
Using ODIN this time failed as I don't think it could access any of the drives.

SapphireEX said:
Looks like he bricked his bootloader's storage access driver, which AFAIK is unrecoverable unless download mode / sahara / etc is fine, but if the board is refusing to mount data while in the bootloader, it's safe to bet the rest of the modes are ****ed.
Click to expand...
Click to collapse
Oh I see the issue now you need to wipe all and re-flash full firmware when flashing the device using Odin
if that doesn't work flash the partitions with the kernel drivers and system partition
I had a similar issue with my current mtk phone and it was because the boot/preloader partition bilieved i had flashed the wrong firmware for my device(it was just a different firmware release for my phone
Just to be safe some ota updates break wehn the bootloader is not unlocked (when updationg from say android 8(oreo) -9(pie)...)
especially because of code errors in the update, cache/vendor partition being too full after downloading update

SirDigbyCC said:
To answer a few of your questions in one go:
When I flashed it before it was back in end of Feb so a good while ago.
Just before it went into this boot loop it was working normally playing music in my pocket while doing gardening.
Using ODIN this time failed as I don't think it could access any of the drives.
Click to expand...
Click to collapse
If you're telling the truth, and it wasn't a bad module / firmware / etc, it is possible your eMMC got too hot and melted some solder. I've seen it happen before.
You'll want to diagnose everything you can. If you're on Windows, does it recognize a USB device or a COM device? If linux, does lsusb return anything useful about it?
If it's not being detected, and multiple wires doesn't change anything, are you able to access sahara mode / download / DFU? If so, go to those and try again.
If you are lying, and this is a bad firmware flash / OTA brick, you'll need to tell us otherwise we'll be going in circles.

So ODIN does recognise the device when in android recovery mode i choose the bootloader, but when starting it, it fails. I'll give it longer tomorrow but my inclination is it's a chip failure. I don't know hot to tell if it was a bad firmware flash, but the first (and only) time I flashed it was back in late Feb / Early March, and I have been using it fine with many OTA updates since then using the phone normally since. Before the boot loop I was playing music via Bluetooth speaker but the battery died while gardening, which the battery died on so played music directly on the phone (no update or anything) and the music stopped halfway through the song and it was in a boot loop.
I am taking the phone in for repair on Wednesday but it's really frustrating because I legitimately want to get to the route cause of the issues. I am covered by Samsung Care +, but I feel like if I screwed up the first flash, it's still only as a result of that first OTA update going wrong in the first place. Does that make sense?

SirDigbyCC said:
So ODIN does recognise the device when in android recovery mode i choose the bootloader, but when starting it, it fails. I'll give it longer tomorrow but my inclination is it's a chip failure. I don't know hot to tell if it was a bad firmware flash, but the first (and only) time I flashed it was back in late Feb / Early March, and I have been using it fine with many OTA updates since then using the phone normally since. Before the boot loop I was playing music via Bluetooth speaker but the battery died while gardening, which the battery died on so played music directly on the phone (no update or anything) and the music stopped halfway through the song and it was in a boot loop.
I am taking the phone in for repair on Wednesday but it's really frustrating because I legitimately want to get to the route cause of the issues. I am covered by Samsung Care +, but I feel like if I screwed up the first flash, it's still only as a result of that first OTA update going wrong in the first place. Does that make sense?
Click to expand...
Click to collapse
I'm going to call hardware failure. It's extremely rare that any device will do what yours is doing without a bad firmware flash.. It's possible you had an OTA and it auto updated, then broke, but I doubt it.

SapphireEX said:
I'm going to call hardware failure. It's extremely rare that any device will do what yours is doing without a bad firmware flash.. It's possible you had an OTA and it auto updated, then broke, but I doubt it.
Click to expand...
Click to collapse
I appreciate the vote of confidence, I don't think it was an OTA update that did it this time, it usually requests to do updates which I highly doubt I would have pocket approved through a flip case only short after pressing play on Spotify.

So I have taken it into Samsung for repair and they have confirmed it's a hardware issue that feels vindicating!

SirDigbyCC said:
So I have taken it into Samsung for repair and they have confirmed it's a hardware issue that feels vindicating!
Click to expand...
Click to collapse
how much are they charging for the repair though? probably a motherboard replacement ? boy thats not going to be cheap!

shriom_manerker said:
how much are they charging for the repair though? probably a motherboard replacement ? boy thats not going to be cheap!
Click to expand...
Click to collapse
It was free, turned out to be a hardware issue internally so I think covered by warranty as I have Care+ which has an excess of £40 which they didn't make me pay. They also replaced the screen due to some dead pixels, and the battery! Happy days!
Thanks all for your suggestions!

Related

[Q] Optimus black stuck on firmware update screen

The story so far...
Bought a new Optimus Black and gave it to my girlfriend for her birthday a couple of days ago. After playing with it for about an hour she put it down, I picked it up and decided to have a tinker. I installed Cyanogen mod 3.5.1 after rooting it with Gingerbreak. So far so good but I didn't really like the look of the ROM and the absence of a Market seemed like hassle so I used ClockworkMod to restore the backed up stock ROM.
It's still working fine but now I see there is an official update from inside the phone. I presume it's the upgrade to Android 2.3 so run it and reboot the phone. That's when it all goes wrong. I'm now stuck in the CWM recovery screen. I try all the options, following any online guides I can find that were supposed to have worked for people. I try restoring the backup, restoring cyanogen, clearing the cache, dalvik, everything but nothing happens and I keep booting back into the CWM recovery screen.
Next day I try the LGUnitedMobileDriver and the phone recovery option but despite trying several times I can get no further. A friend tried to use Odin to restore it but got no success. Finally, we tried restoring with a KDZ file with
KDZ_FW_UPD_EN, Windows Enabler and LG B2CTool and now the phone got stuck in yet another loop - a black screen with 'updating firmware'. The LEDs flash for a minute and it reboots and does the same again.
What's more, the phone will now no longer charge or turn on without being connected to the mains.
What are my options here?
Follow the tutorial given below.
http://forum.xda-developers.com/showthread.php?t=1275315
Thanks, but I've already tried that and it doesn't work. I'm forever stuck in the firmware update screen.
pickarooney said:
Thanks, but I've already tried that and it doesn't work. I'm forever stuck in the firmware update screen.
Click to expand...
Click to collapse
have you tried the CS_EMERGENCY option in R&D TOOLS? Wait I'll find the link..
Here >>> http://forum.xda-developers.com/showpost.php?p=18841596&postcount=8
http://forum.xda-developers.com/showpost.php?p=18740082&postcount=45
The CS_EMERGENCY is the only thing worked, he used a german V10A ROM. If you managed to unbrick it, you can flash it again with your desired KDZ, or use CS_EMERGENCY and flash directly your desired KDZ. TRIAL AND ERROR.
Emergency c-section... nope, I will try that now!
Said that it will get stuck at 4% but it is still flashing. Just wait for the phone to reboot by itself.
It just crashes with a fatal error as soon as it gets to the second tab (downloading) on both PCs I tried it on. I tried several KDZ files with the same result.
Does anyone know if it's possible to physically change the ROM on this phone and if it would be worth trying that before binning the thing?
pickarooney said:
Does anyone know if it's possible to physically change the ROM on this phone and if it would be worth trying that before binning the thing?
Click to expand...
Click to collapse
Does it have warranty? Why not RMA it, I think it has a hardware problem now since you mentioned it doesn't charge anymore. Also, have you tried a different USB cable?
The warranty gets voided as soon as you root or mod a phone and it's probably as expensive to get it fixed outside of warranty as to buy a new one.
pickarooney said:
The warranty gets voided as soon as you root or mod a phone and it's probably as expensive to get it fixed outside of warranty as to buy a new one.
Click to expand...
Click to collapse
Most of the time they change the board right away if it can't boot (as many as I've read) board was changed and none just revived the OS. So they won't know you rooted it. Just specify that they should contact you first before making any changes.
gabwerkz said:
Most of the time they change the board right away if it can't boot (as many as I've read) board was changed and none just revived the OS. So they won't know you rooted it. Just specify that they should contact you first before making any changes.
Click to expand...
Click to collapse
true.. you can just tell them that you received an update and upon getting it the phone wont boot anymore.. just dont tell them that you rooted it or tinkered it in any way.. i'm sure you'll be able to get your warranty that way..
darkzorn said:
true.. you can just tell them that you received an update and upon getting it the phone wont boot anymore.. just dont tell them that you rooted it or tinkered it in any way.. i'm sure you'll be able to get your warranty that way..
Click to expand...
Click to collapse
Well, that's exactly what I did so we'll see in two weeks if I get a fixed phone free of charge
pickarooney said:
Well, that's exactly what I did so we'll see in two weeks if I get a fixed phone free of charge
Click to expand...
Click to collapse
Fingers crossed for you !!!
pickarooney said:
Well, that's exactly what I did so we'll see in two weeks if I get a fixed phone free of charge
Click to expand...
Click to collapse
IT will mostly work..Good luck though and please do reply here and let us know if it worked..

[Q] Please help me, is my phone bricked?

I'm a complete noob in dire need of help. I wanted to root my phone, and read the 3 procedures mentioned in the sticky thread. The 2nd one (nvflash) seemed very well explained and was sure to work with 2.3.4 so I decided to use that. As I was in my friend's house I used his pc and installed the drivers while my phone was connected in apx mode. Then I double clicked the "install internal xp" batch file which resulted in a black window with some texts, but seeing this my friend freaked out and closed the window before the process was finished. I told him he shouldn't have done that. I then disconnected the phone and switched it on. It seemed to switch on properly. So I then switched it off again and pressed and held the power and vol down switches to see if I got cwm. This showed LG screen for a few seconds and then the screen went off.
Now whatever I try to do I can only see the LG screen for a few seconds and then the screens goes off. No power on, no recovery, no nothing. And I can only attempt to even power on once, after the screen goes off I must remove the battery before the power button does anything again.
I tried to freshly nvflashing the recovery many times, but it made no difference. Does this mean my phone is bricked? Please tell me how I can solve this as I'm really worried.
NVFlashing the recovery again *should* have worked. So we first need to make sure you're trying to start CWM the correct way.
1) Unplug phone
2) Remove battery for 10 seconds.
3) Insert battery
4) Hold volume-down, do not let go, keep pressing it.
5) Press power button, keep it pressed.
If/when you get the second LG-logo, bluish halo, you can release both buttons, not before.
Nope, that was exactly what I was doing to access the recovery. I tried it again just now and it didn't work.
It just displayed the regular LG logo and then the screen went off. I'm not sure the phone completely shuts down 'cause if I keep it like that it gets quite hot and I can't use the power button again to try to power up. Only removing and re-inserting the battery gives me another attempt.
Is there any chance this is a hardware issue?
Hardly any chance this is hardware related if it was working before the first NVFlash.
Good, next step will be to NVFlash a complete stock ROM. You will unfortunately lose any data you might have on it, but that's the price to pay.
Go here, follow the instructions precisely, skip installation of apx-driver. Report back.
http://www.modaco.com/topic/335474-25-mar-nvflash-stock-rom-release-v10b-dated-1300166062-15032011/
Ok, so I just download the 200mb file, connect in apx mode and double click flash.bat, right? And will this rom work regardless of country/region? I'm from India and was running stock 2.3.4 with v20* (can't remember the letter. God, I hate myself).
sean8000 said:
Ok, so I just download the 200mb file, connect in apx mode and double click flash.bat, right? And will this rom work regardless of country/region? I'm from India and was running stock 2.3.4 with v20* (can't remember the letter. God, I hate myself).
Click to expand...
Click to collapse
It works, yes, but is the original Froyo. This is just a way to get the phone up and running again.
Later you have a few choices. Either install CWM, then install you ROM of choice, or upgrade it to the latest for your region by using the LG Update tool.
EDIT. Oh, and btw, it is better to open a command-window and type the flash.bat command. If there are any errors you will still have them on-screen.
Thank you for all the help and support. I didn't get a chance to flash the rom till now (being on a vacation without a smartphone sucks). But I'll try it asap and report back.
So, how did it go?
TrymHansen said:
So, how did it go?
Click to expand...
Click to collapse
I haven't flashed it yet. I've decided to do it after I return home. I'm at my friend's house for 2 more days.
Ok, bad news. I flashed the stock rom you linked. The process went pretty smoothly. After the window got closed and the lg logo on the phone was visible 2 times, I unplugged it and installed the battery. But switching it on wasn't fruitful. It just displayed the LG logo for a couple of seconds and then the screen went off (just like before, only faster). I tried repeating the whole process, even tried to nvflash cwm once again, but nothing happened.
So is it a hardware issue? My phone is no longer in warranty period, so a hardware problem would be really bad...
So is it a hardware issue?
Click to expand...
Click to collapse
I don't know.
What would be helpful is to get a copy of the output you get when you NVFlash, it's simply the only way to verify that the flash process went ok. If you have an aborted flash it of course won't work, and may display the behaviour you describe.
EDIT: Btw, early on there were some ROMs which refused to boot properly unless the baseband was of an early variety as well.
If you feel confident the NVFlash has been successfull, smartflash an old baseband as well, see if it boots then.
Its hardly a hardware problem. As you dont have the warranty anymore, and the bootloader is probably corrupted, i would recommend a Jtag service.
Please, dont be afraid of hitting thanks
gabriel2anjos said:
Its hardly a hardware problem. As you dont have the warranty anymore, and the bootloader is probably corrupted, i would recommend a Jtag service.
Please, dont be afraid of hitting thanks
Click to expand...
Click to collapse
Now what's this "Jtag service"? (edit- I googled it and it seems to be a method of un-bricking stuff with specialized hardware or something, but I'm not sure I can have that done where I live)
Is there any way to fix the bootloader by myself?
@Trym- So, I should download a v10 baseband and flash it with this "smartflash" tool, right?
sean8000 said:
@Trym- So, I should download a v10 baseband and flash it with this "smartflash" tool, right?
Click to expand...
Click to collapse
Yeah, as a last-ditch effort. I haven't the slightest hope it'll help, but it can't hurt to try.
TrymHansen said:
Yeah, as a last-ditch effort. I haven't the slightest hope it'll help, but it can't hurt to try.
Click to expand...
Click to collapse
Ok, I'll try that when I have the time.
So do you know anything about this corrupted bootloader thing? Does this mean my phone's hard bricked?
sean8000 said:
So do you know anything about this corrupted bootloader thing? Does this mean my phone's hard bricked?
Click to expand...
Click to collapse
If it is you're only the second person in this forum to ever brick his phone. Anything's possible I guess. Some flash cells may have been damaged the first time the power was yanked. But then we should presumably get some verification errors during flashing.
Anyway, I'm at my wits end, and I really do hope you get it up and running, but I don't have anything more to contribute. Good luck.
Corrupted bootloader means that your cellphone simply don't know what to do when you hit the power button, due to the damage. As the cell phone can't turn, the pc can't recognize it. If your cell phone were a samsung, you could try to use a jig to have acesso to the download mode. But I don't know if it would work for a LG. You could try anyway.
And if you live at big city, usually it's common to have some jtag services.
Please, dont be afraid of hitting thanks
Please, dont be afraid of hitting thanks
Ok, so I took the phone to the service center today. The guys there said its battery terminals are messed up. They said replacement terminals are not easily available, but they'll try to find some. And of course I'll have to pay for it. I guess it's still better than using the phone as a paperweight.
What do you guys think?
Good luck I managed to mess up my phone like you too. I'm from India. But the difference was that I was covered by warranty. I managed to get a bunch of hardware replaced and was up and running again.

DEAD or DEATH BOOT/battery totally drained

So my phone's not yet fixed since the 25th of December due to sudden death - http://forum.xda-developers.com/showthread.php?t=2585068
We had it checked again last Thursday, January 3rd. The technician said that the replacement of motherboard is not yet clear to be the best solution as the technicians from the Sony Service Center hadn't opened the phone yet. He said that it might have been a cause of a dead or death boot. Has anyone heard of it? He says not only Sony phones are experiencing this dead or death booth, even other brands. Kind of random.He said that the phone somewhat hangs, the screen isn't on but the system is still running which causes the phone to become warm or hot. And he also said that this lead to the battery getting totally drained. As per him, once the battery is totally drained it won't get charged even if I try to charge the phone for a number of hours. So what he will do when I get back to him on Monday is he will first try to shock the battery to see if it will be revived (which I hope this is just the case) and then dload some firmwares or softwares to fix the unit.
I hope this ordeal will be solved this following week as it's been so inconvenient on my part and I terribly miss my phone.
One of possibility is that they will open the back cover, pull out the battery and charge it to full, then they put it back and flash the stock firmware. With battery charged they have enough time for flashing and the phone should turn on. If it's Sony Center to do that they will also seal the phone as original to get fully working waterproof.
eclyptos said:
One of possibility is that they will open the back cover, pull out the battery and charge it to full, then they put it back and flash the stock firmware. With battery charged they have enough time for flashing and the phone should turn on. If it's Sony Center to do that they will also seal the phone as original to get fully working waterproof.
Click to expand...
Click to collapse
I really, really, really hope it'd work. For the waterproofing it would be fine to take it to the Sony service centre just to have the full waterproofness back.:good:
Just flash kernal from,any firmware by flash tool,and put your cell phone on charge.,it will charge... The same thing happen to me
Sent from my C6903 using xda app-developers app
shahzaib.khan said:
Just flash kernal from,any firmware by flash tool,and put your cell phone on charge.,it will charge... The same thing happen to me
Sent from my C6903 using xda app-developers app
Click to expand...
Click to collapse
Flashmode not working and fastboot too the deviice is HARD BRICKED !!!
Meni30 said:
Flashmode not working and fastboot too the deviice is HARD BRICKED !!!
Click to expand...
Click to collapse
Have you managed to find a way to fix it?
I think my phone is hard bricked becuase its stuck on the Sony logo and my pc wan't detect it and none of the buttons work
SpawnCube said:
Have you managed to find a way to fix it?
I think my phone is hard bricked becuase its stuck on the Sony logo and my pc wan't detect it and none of the buttons work
Click to expand...
Click to collapse
Hey guys, do the devs a favour: NOT EVERY SIMPLE BOOTLOOP IS A BRICKED DEVICE!!!
Just go to recovery and wipe everything, it then should boot without problems.
if it doesn't, first check yourself (e.g. did you flash a 4.4 kitkat without flashing a new kernel for it?)
the answers for nearly all problems are here on xda-developers ... just read, read and read and understand ... if you don't know, what you do with flashing your device, what the partitions data / cache / system are for, what a kernel is or what the differences between stock roms, custom rom releases and nightly builds is, you simply SHOULD NOT flash your device.
If you understand what you are doing and if THAT ALL doesn't help you and you think you have a problem noone else have (i allready had such a thing with my defy+, it got bootloop and it was a dead memory chip) THEN (and just then) post your problem here. The devs simply don't have the time to help everyone who simply can't read the existing threads.
Thanks (and dont get angry on me, just saying so you can do it better the next time)
DJ_Synergy said:
Hey guys, do the devs a favour: NOT EVERY SIMPLE BOOTLOOP IS A BRICKED DEVICE!!!
Just go to recovery and wipe everything, it then should boot without problems.
if it doesn't, first check yourself (e.g. did you flash a 4.4 kitkat without flashing a new kernel for it?)
the answers for nearly all problems are here on xda-developers ... just read, read and read and understand ... if you don't know, what you do with flashing your device, what the partitions data / cache / system are for, what a kernel is or what the differences between stock roms, custom rom releases and nightly builds is, you simply SHOULD NOT flash your device.
If you understand what you are doing and if THAT ALL doesn't help you and you think you have a problem noone else have (i allready had such a thing with my defy+, it got bootloop and it was a dead memory chip) THEN (and just then) post your problem here. The devs simply don't have the time to help everyone who simply can't read the existing threads.
Thanks (and dont get angry on me, just saying so you can do it better the next time)
Click to expand...
Click to collapse
Thanks, you just said what I wanted to say.

[Q] Bricked L90

dear, sorry the English, but I need a help from you.
I made the installation of IMG extracted the KDZ and did flash the recovery, however, now my machine not the sign of life, the computer does not detect the device, the device does not turn on, not of any sign of life. already tried in various corners anything to help me have some solution. I did the procedure based on the stock rom flash D405 with img extracted files. After that the only active device the display if I put to load without the battery, which displays the battery with a question mark. The device does not enter download mode, does not go into recovery, does not display anything, as if completely dead. Does anyone have aware and know any solution to the problem? Note: I've tried the LG flahs tools, it does not detect the device.
You have probably the worst case of them all. I suggest you to take your phone to warranty and see if they can replace it (because there probably isn't any way to fix it). If your warranty is void, then, I'm afraid, you will have to get a new device. I have had this issue myself, and it was solved only by replacing whole internals of the phone. Good thing that I still had my warranty, so it didn't cost anything. Good luck.
linasj said:
You have probably the worst case of them all. I suggest you to take your phone to warranty and see if they can replace it (because there probably isn't any way to fix it). If your warranty is void, then, I'm afraid, you will have to get a new device. I have had this issue myself, and it was solved only by replacing whole internals of the phone. Good thing that I still had my warranty, so it didn't cost anything. Good luck.
Click to expand...
Click to collapse
but this happened to you because of flash ROMS? How long on average it took for you to get the unit back?
wmosquini said:
but this happened to you because of flash ROMS? How long on average it took for you to get the unit back?
Click to expand...
Click to collapse
Yes. I tried to flash a ROM (which requires an unlocked bootloader), but for some reason the bootloader wasn't actually unlocked, and flashing a ROM caused the device to be bricked. This is probably what you would call a hard-brick.
In my case, replacement took a little more than a week. But this could differ from country to country.
linasj said:
Yes. I tried to flash a ROM (which requires an unlocked bootloader), but for some reason the bootloader wasn't actually unlocked, and flashing a ROM caused the device to be bricked. This is probably what you would call a hard-brick.
In my case, replacement took a little more than a week. But this could differ from country to country.
Click to expand...
Click to collapse
But in time to take the assistance, you said what about it? The unit stopped working alone?
wmosquini said:
But in time to take the assistance, you said what about it? The unit stopped working alone?
Click to expand...
Click to collapse
Exactly. Since the device cannot be turned on, I don't think they have any way of checking if it was rooted or tampered with in any way. So your best bet is to just play dumb and tell them your phone doesn't boot up. That helped me to get it fixed for free.
linasj said:
Exactly. Since the device cannot be turned on, I don't think they have any way of checking if it was rooted or tampered with in any way. So your best bet is to just play dumb and tell them your phone doesn't boot up. That helped me to get it fixed for free.
Click to expand...
Click to collapse
Legal, tomorrow I will even take the guarantee to solve as fast as possible. Really the device not the sign of life at all. I will inform you that the device was carrying at night and just when I catch him in the morning, he was like that.
Thank you for your help. : D
My first L90 didn't have a functional GPS, was brand new (1 week), problem was I rooted in the first day
Factory reset, hid superuser app, got a new l90
Gud luck
bacitoto said:
My first L90 didn't have a functional GPS, was brand new (1 week), problem was I rooted in the first day
Factory reset, hid superuser app, got a new l90
Gud luck
Click to expand...
Click to collapse
hard reset does not remove all traces of root. There is RCT checking. u can be sure that have no traces of root when RCT was reset. On kit kat we have chance to reset it without reflashing. But on 5.0 only reflash
---------- Post added at 11:17 ---------- Previous post was at 11:11 ----------
wmosquini said:
dear, sorry the English, but I need a help from you.
I made the installation of IMG extracted the KDZ and did flash the recovery, however, now my machine not the sign of life, the computer does not detect the device, the device does not turn on, not of any sign of life. already tried in various corners anything to help me have some solution. I did the procedure based on the stock rom flash D405 with img extracted files. After that the only active device the display if I put to load without the battery, which displays the battery with a question mark. The device does not enter download mode, does not go into recovery, does not display anything, as if completely dead. Does anyone have aware and know any solution to the problem? Note: I've tried the LG flahs tools, it does not detect the device.
Click to expand...
Click to collapse
Did u flash it from 5.0 or 4.4? This problem may have solve without service center. But if u have warranty, it must not worry u.
@linasj
Hello, I just want to know that while booting, did your phone show the message "Secure booting error"?
I am getting this message at the LG logo and then device just shuts off.
No, I don't think I ever got this message.
Sent from my LG-D405N using XDA Free mobile app.
pick.orion said:
@linasj
Hello, I just want to know that while booting, did your phone show the message "Secure booting error"?
I am getting this message at the LG logo and then device just shuts off.
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In my case, the device did not care and neither carried, gave no sign of life. I sent him for assistance in less than one week they made the repair by warranty.

Firmware update, EQC1?

I don't see EQC1 on sammobile, anyone else see the 127 MB update?
I'm on EQB1.
Yup, I see it, 127.53mb on both of mine SM-N910T3 and
SM-N910T
I have it as well. Have you flashed yet?
I have it too. I'm not sure I want to flash, especially if it patches the ability to root my phone.
My phone also suffers from the SD card / reboot issue (the phone constantly boot loops when both an SD card and SIM card are in the phone). I wonder if this update will fix that?
I tried flashing it and it failed, I'm running a stock highly modified rom. I'll try reflashing the original stock unmodified rom when I get a chance tomorrow and apply the update. It looks like it's just security updates
Says "Various system improvements" for the QC1 update.
https://support.t-mobile.com/docs/DOC-28899
I updated to this version the other day, now I'm looking to root. Anyone know if the old root method still works? I may try myself in the next few days myself and find out.
I upgraded to it yesterday. Took about 30 minutes from start of install to finish. It updates the security to March 2017, has the new Google Play Store. Other than that I do not notice any other differences
Can i root after upgrade?
Does anyone know if this fixes the mmc_read failed issue along with its constant lagging/freezing problem?
febzz88 said:
Does anyone know if this fixes the mmc_read failed issue along with its constant lagging/freezing problem?
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I'm pretty sure the mmc_read failure issue is failing hardware and no firmware release can fix this. My understanding is some Note4's had dodgy flash memory and will eventually fail. I had this happen to my note4 last year and got it changed out under warranty at a tmobile store. My phone had the constant lagging/freezing for about a month before it would just no longer boot, it wouldn't do anything other than a quick vibrate on power up, no boot screen of any type.
If you are getting mmc_read I would suggest you get the phone replaced ASAP, and make backups of everything you have on it that you want to keep. At some point it probably just wont power back on again. Hopefully you are still under a warranty and can get it swapped out.
d0ug said:
I'm pretty sure the mmc_read failure issue is failing hardware and no firmware release can fix this. My understanding is some Note4's had dodgy flash memory and will eventually fail. I had this happen to my note4 last year and got it changed out under warranty at a tmobile store. My phone had the constant lagging/freezing for about a month before it would just no longer boot, it wouldn't do anything other than a quick vibrate on power up, no boot screen of any type.
If you are getting mmc_read I would suggest you get the phone replaced ASAP, and make backups of everything you have on it that you want to keep. At some point it probably just wont power back on again. Hopefully you are still under a warranty and can get it swapped out.
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Hi,
That's certainly is one possible scenario (hardware failing). But based on my extensive research too, many have said that this could be faulty firmware. I went to a Samsung Experience Center and talked with a guy there and he said that it's a known issue affecting many Galaxy Note 4 Sprint users a few months ago. Samsung in the end replaced/repaired the affected units free of charge.
In the past 2 months or so, more and more Galaxy Note 4 users started experiencing this issue. And so it could be that the firmware triggered the issue, and eventually damaged the hardware.
Since we don't really have a 100% certain answer (of course, Samsung will never tell us), I'm just trying to see if anyone has updated the phone to the latest firmware and could tell us if it fixed the issue.
Soooo..... Is this rootable or not?
sino8r said:
Soooo..... Is this rootable or not?
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Try this https://forum.xda-developers.com/no...rom-n910t3uvu3eqc1-stock-rooted-odex-t3592242
I can't seem to get TWRP to work on this. I've tried several times with Odin, it appears to be successful, phone reboots, but then when I try to reboot into recovery there's no TWRP, only stock. Anyone else have this issue or any suggestions?
Edit: Tried something I remembered reading in another thread. I pulled the battery immediately after Odin successfully finished and the booted directly into recovery. It worked. I'm flashing pvsgh's rooted EQC1 and will report back if TWRP sticks
Edit 2: Success. Seems like pulling the battery after Odin/TWRP before the phone reboots did the trick
ok, thanks for the suggestion.
Anybody have a link for the firmware?
thecrunked said:
Anybody have a link for the firmware?
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https://forum.xda-developers.com/no...firmware-galaxy-note-4-n910tuvs2eqb1-t3569911
Can I autoroot with EQC1?
I tried auto root and got
RECORVERY IS NOT SEANDROID ENFORCING,
AM I screwed? I assume there's some way to get back to EQC1 and boot the phone. There has to be. But could I do it and keep the data. I was trying to get deleted photos back.

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