[Q] A trip to the warranty store - LG Optimus Black

Just had my phone sent to the LG service center last week because it bootloops everytime it is removed from usb port. Started awhile back with random restarts then suddenly phone turns off everytime someone calls and finally only usable if connected to usb.
had it repaired and the service center replaced the motherboard + battery. They told me it was a result of either flactuating or overcharging, but I havent one of those. Could it be because of my different usb cord? I use a nokia mini usb cord because the original LG cord got lost.
Now i'm afraid to use it until I buy a new usb cord.

MiGzHizon said:
Just had my phone sent to the LG service center last week because it bootloops everytime it is removed from usb port. Started awhile back with random restarts then suddenly phone turns off everytime someone calls and finally only usable if connected to usb.
had it repaired and the service center replaced the motherboard + battery. They told me it was a result of either flactuating or overcharging, but I havent one of those. Could it be because of my different usb cord? I use a nokia mini usb cord because the original LG cord got lost.
Now i'm afraid to use it until I buy a new usb cord.
Click to expand...
Click to collapse
Yes. Im using a Nokia E71 USB cable as my OB cable got spoilt. I am having touchscreen issues when i use my phone while charging
Sent from my LG-P970 using xda premium

SoulExertz said:
Yes. Im using a Nokia E71 USB cable as my OB cable got spoilt. I am having touchscreen issues when i use my phone while charging
Sent from my LG-P970 using xda premium
Click to expand...
Click to collapse
Im using the one that came with my optimus and I have the same issues. Its rated 150W ( Speaking from memory ) but when charging it through Computer USB ( 75W ) its fine.
As your battery doesn't get to hot I can't see how it can affect your phone. I'm not a a guru on this so I might be wrong.
Sent from my LG Optimus Black

xonar_ said:
Im using the one that came with my optimus and I have the same issues. Its rated 150W ( Speaking from memory ) but when charging it through Computer USB ( 75W ) its fine.
As your battery doesn't get to hot I can't see how it can affect your phone. I'm not a a guru on this so I might be wrong.
Sent from my LG Optimus Black
Click to expand...
Click to collapse
I have the same issues too! When I charge my OB the touch goes crazy :| and when I try to write a SMS for example, it writes letters by itself for a couple of minutes. Why it is happening this? Why is the phone acting weird? :|
I am using the stock charger that came in the box with it and the cable is the original one.
Sent from my LG-P970 using Tapatalk 2

Lemme buy one and dissect it. I will access the problem
Sent from my LG Optimus Black using xda premium

SoulExertz said:
Lemme buy one and dissect it. I will access the problem
Sent from my LG Optimus Black using xda premium
Click to expand...
Click to collapse
You're sooo rich, XD
Anywaays, i figured it won't happen again so i bought a new usb cord, Hytac USB 2.0 to be exact... i'm not sure if it really works, but so far so good. It says in the box that it supports data transfer AND charge soooo. it's okay then?
The head office of LG also told the service center said that it could have been the result of charging while the phone has a case on (i usually had a rubberized case on it)

SoulExertz said:
Yes. Im using a Nokia E71 USB cable as my OB cable got spoilt. I am having touchscreen issues when i use my phone while charging
Me too
Sent from my LG-P970 using xda premium
Click to expand...
Click to collapse
Sent from my LG-P970 using xda app-developers app

iliemariuscatalin said:
Sent from my LG-P970 using xda app-developers app
Click to expand...
Click to collapse
Well I had the same problem..
Fixed by a software update though.
P. S
Ob is my secondary phone now.
Sent from my GT-I9300 using xda app-developers app

Related

Can anyone confirm this hardware problem please

Ok so my phone is playing up abit. When i put the charger in it disconnects and connects constantly. Its fine if you dont touch the phone but as soon as you touch the screen it starts disconnecting again. I put this down to a faulty charger dock and ordered the part so i can fit it. However after fitting the new dock the problem still persists. Ive changed wires, plugs, charger flex and charger port. What could this possibly be?
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Did u try cleaning your mobile's charging port
Cant be that as ive replaced the charger port
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yup both port and cable, even if you see nothing.
take out battery and cablebout of socket as you dont want to short anything
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bobbycarver said:
Cant be that as ive replaced the charger port
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Click to expand...
Click to collapse
So i guess u got the charging port replaced in the service center..didnt u ask them about this problem??
Look here: http://www.forum-generationmobiles....nappe-connecteur-de-charge-micro-usb-gt-n7000
Sent from my GT-N7000 using xda premium
help
DAVFUNK
Sent from my GT-N7000 using xda premium[/QUOTE]
That link is in french, can you explain a little bit what it says. I have same problem as OP but I bought 4 different USB Flex replacemments and they all dont work. No sound from speaker except for a little popping sound. I think something in the link talked about the back of them being grounded or glued, can you explain it a little please?

P970 USB connection problem

Hello, as the topic says I have usb connection problem on stock v30c rom. Whenever i connect my phone to Pc my phone gives me notification of slow charging no matter in which mode I connect. I tried enabling/disabling usb debugging. Tried different cable none works. Please help
gaurishmhatre said:
Hello, as the topic says I have usb connection problem on stock v30c rom. Whenever i connect my phone to Pc my phone gives me notification of slow charging no matter in which mode I connect. I tried enabling/disabling usb debugging. Tried different cable none works. Please help
Click to expand...
Click to collapse
Factory reset from hidden menu and all should be fine
Sent from my battery eating android monster!
Tried it many times by hard reseting . I think there might be usb problem. But i can charge my phone absolutely fine.
N00BY0815 said:
Factory reset from hidden menu and all should be fine
Sent from my battery eating android monster!
Click to expand...
Click to collapse
Tried it many times by hard reseting . I think there might be usb problem. But i can charge my phone absolutely fine.
Methods i tried.
1.Factory reset
2.Turning on/off usb debugging mode
3.Cleaning dust from usb port
4.Options from lg hidden menu
5.changing connection type from usb mass storage to lg suote and others
Any other methods to try?
Sent from my LG-P970 using xda app-developers app
gaurishmhatre said:
Tried it many times by hard reseting . I think there might be usb problem. But i can charge my phone absolutely fine.
Methods i tried.
1.Factory reset
2.Turning on/off usb debugging mode
3.Cleaning dust from usb port
4.Options from lg hidden menu
5.changing connection type from usb mass storage to lg suote and others
Any other methods to try?
Sent from my LG-P970 using xda app-developers app
Click to expand...
Click to collapse
Put paper under the back cover. Besidr the camera. Got this issue AGAIN, after sending it off to repair. Charges fine with usb, but cant transfer sht without paper.
Sent from my LG-P970 using xda app-developers app
Will surely try your method. If it works atleast i will be able to flash new rom. Thanks
Sent from my LG-P970 using xda app-developers app
gaurishmhatre said:
Will surely try your method. If it works atleast i will be able to flash new rom. Thanks
Sent from my LG-P970 using xda app-developers app
Click to expand...
Click to collapse
Jesus. Now mine is charging only even with paper! Its probably bc of using it while charging and the heat unsoldered stuff inside.
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ouroboros12 said:
Jesus. Now mine is charging only even with paper! Its probably bc of using it while charging and the heat unsoldered stuff inside.
Sent from my LG-P970 using xda app-developers app
Click to expand...
Click to collapse
Omg mine charging is working fine but no usb even after having paper. If somethings unsoldered it will cost me as i am out of warranty. Thank god i had flashed stock rom and this peoblem occured. Now i have to repair it at lg service centre i guess.
gaurishmhatre said:
Omg mine charging is working fine but no usb even after having paper. If somethings unsoldered it will cost me as i am out of warranty. Thank god i had flashed stock rom and this peoblem occured. Now i have to repair it at lg service centre i guess.
Click to expand...
Click to collapse
Thats whatim going through AGAIN too. Ill have to sendto repair. I cant smartflash.
Sent from my LG-P970 using xda app-developers app
ouroboros12 said:
Put paper under the back cover. Besidr the camera. Got this issue AGAIN, after sending it off to repair. Charges fine with usb, but cant transfer sht without paper.
Sent from my LG-P970 using xda app-developers app
Click to expand...
Click to collapse
Hey could you add a photo because i am not getting where should i exactly place the paper. With or without back cover?
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gaurishmhatre said:
Hey could you add a photo because i am not getting where should i exactly place the paper. With or without back cover?
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Click to expand...
Click to collapse
Place it under the back cover. Beside the camera and under usb port. Make sure it puts pressure, but dont put too thick paper. Try unscrewing and check the disassembling thread.
Sent from my LG-P970 using xda app-developers app
ouroboros12 said:
Place it under the back cover. Beside the camera and under usb port. Make sure it puts pressure, but dont put too thick paper. Try unscrewing and check the disassembling thread.
Sent from my LG-P970 using xda app-developers app
Click to expand...
Click to collapse
Thanks
Sent from my LG-P970 using xda app-developers app
Hi
Flashing other baseband...
ZTNL said:
Flashing other baseband...
Click to expand...
Click to collapse
How can we flash baseband when we cannot connect to pc itself!!
Sent from my LG-P970 using xda app-developers app
please reply
still no reply? i had gone to service center there i asked them to change usb port which they did but still cannot connect to pc

[HELP]USB port/Charging port is not functioning?

Anybody out there knows how to solve my problem, my phone's usb port or charging port is not funtioning, I try to charge with my moto charger but no response, but when I try my charger to charge other devices, there's no problem, it do charging, what should I do? Does my usb port/charging port is brick/damage??
Sent from my SCH-I800 using xda premium
Have you tried other cables with your phone? For a while I had charging issues with my original cable... I had to position the cable at almost an angle to get the contacts to connect. Then I decided I was tired of having a phone that didn't always charge at night so I got a new Staples brand cable and had no issues since. So point is try a different cable to see if the problem is your phone's hardware or the cable's.
Sent from my XT894 using Tapatalk 4 Beta
Thank you for the suggestion but I already try other usb cable, but still no response. Maybe I'll go to a technician to see if what happens to it.
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skyss07 said:
Thank you for the suggestion but I already try other usb cable, but still no response. Maybe I'll go to a technician to see if what happens to it.
Sent from my SCH-I800 using xda premium
Click to expand...
Click to collapse
Chances are the soldered contacts broke. Hope it didn't pull up any of the PCB board then theres no fix short of replacing the board. Good luck. FYI if your not a repair tech I wouldn't attempt the fix myself.
Sent from my XT894 using xda app-developers app
rruleford said:
Chances are the soldered contacts broke. Hope it didn't pull up any of the PCB board then theres no fix short of replacing the board. Good luck. FYI if your not a repair tech I wouldn't attempt the fix myself.
Sent from my XT894 using xda app-developers app
Click to expand...
Click to collapse
it's alreadry been repaired, the repair tech use to revive my phone..

severe issues with USB, no adb/fastboot/wall charging- please help..

hello there,
I wanted to ask whether someone can help me.. my rooted and s-offed HTC one's USB plug suddenly stopped working properly, wall charging is shown as USB charging and when plugged to my laptop the phone is not recognized at all, only charging via USB.. hence, I was not able to return back to stock before sending it back to repair via my dealer.
now they tell me that due to my custom recovery my warranty is void and that it is also the reason for the USB issues.. ?!? also they say that the main board needs to be replaced in order to repair my device, this is priced at €280,--!!!
I really don't know what to do now..
Sent from my Nexus 5 using XDA Premium 4 mobile app
hojnol said:
hello there,
I wanted to ask whether someone can help me.. my rooted and s-offed HTC one's USB plug suddenly stopped working properly, wall charging is shown as USB charging and when plugged to my laptop the phone is not recognized at all, only charging via USB.. hence, I was not able to return back to stock before sending it back to repair via my dealer.
now they tell me that due to my custom recovery my warranty is void and that it is also the reason for the USB issues.. ?!? also they say that the main board needs to be replaced in order to repair my device, this is priced at €280,--!!!
I really don't know what to do now..
Sent from my Nexus 5 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
T-mobile sells a HTC One Refurb for $320 and There are some on ebay for around $275. If your MB is bad and HTC is going to charge you to replace it I don't think they care if the bootloader is unlocked
well obviously it seems that they do care.. they claim that my software installations have caused the hardware issues, not kidding..
Sent from my Nexus 5 using XDA Premium 4 mobile app
Which recovery were you using?
Sent from my HTC One using xda app-developers app
I've been using trwp for months before issues occurred..
Sent from my Nexus 5 using XDA Premium 4 mobile app

Galaxy S I9000 only charges with USB cable

I am hoping that someone out there can help me. My sgs i9000 does not charge when using the mains charger. It charges when plugged into a laptop is in the USB cable okay though. I have bought, both a new battery and a new charger, but the problem persists. Has anyone had or heard of this problem? Better still, does anyone have a solution?
I thank you all in advance.
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Take ur phone to service centre
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Yeah, your USB port inside the phone is damaged, go to a service center with it to replace the damaged slot
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idCyber said:
Yeah, your USB port inside the phone is damaged, go to a service center with it to replace the damaged slot
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Click to expand...
Click to collapse
Thanked you by accident when I went to quote you there
It probably isn't his USB port on the phone if it's charging fine from a laptop with USB cable.
I'd be checking that the charger definitely works by charging another device with it, if you have one. The voltage pins on the phones socket are the same whether you're charging with a charger or plugging into a computers USB, so if one way wasn't working then nothing should be working.
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knuckles1978 said:
Thanked you by accident when I went to quote you there
It probably isn't his USB port on the phone if it's charging fine from a laptop with USB cable.
I'd be checking that the charger definitely works by charging another device with it, if you have one. The voltage pins on the phones socket are the same whether you're charging with a charger or plugging into a computers USB, so if one way wasn't working then nothing should be working.
Sent from my GT-I9000 using Tapatalk
Click to expand...
Click to collapse
Thank you.
The charger charges my wifes phone with no problems. The battery charges in her phone using the mains charger too, so not a battery related problem either.
Sent from my GT-I9000 using XDA Premium 4 mobile app
Drhedphuk said:
Thank you.
The charger charges my wifes phone with no problems. The battery charges in her phone using the mains charger too, so not a battery related problem either.
Sent from my GT-I9000 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Could just be the plug on the charger possibly, I've had that happen before. There are two little sprung prongs on one side of it. I've had well used chargers before that I've had to get a pair of pliers and pull them out a little..
The fact that it works on your wife's phone doesn't mean it can't be the plug on your charger. Could just be that your USB port is a tiny bit more worn than hers. Doesn't mean that your port is totally screwed.
Sent from my GT-I9000 using Tapatalk
I have tried three different chargers and none of them charge my phone. I'm very interested in your comment about the USB port being slightly more worn.
I am constantly flashing different Roms etc across using ums/ mtp so that does make sense. Also the USB cable that I use to charge my laptop is an old Nokia cable and the USB connector (phone end) is a little tighter.
Thanks.
Sent from my GT-I9000 using XDA Premium 4 mobile app
My phone became a bit wet in the rains (started working after keeping it in rice) and since then even I am facing a similar issue... My auto rotate doesn't go off even after disabling it and my phone only charges even when its connected to the pc... Unable to use it for any sort of data transfer between the phone and the pc... Doesn't get into download mode without using the battery method and odin too doest recognize it... @Drhedphuk if you had some progress please do post here too...
sbnaul said:
My phone became a bit wet in the rains (started working after keeping it in rice) and since then even I am facing a similar issue... My auto rotate doesn't go off even after disabling it and my phone only charges even when its connected to the pc... Unable to use it for any sort of data transfer between the phone and the pc... Doesn't get into download mode without using the battery method and odin too doest recognize it... @Drhedphuk if you had some progress please do post here too...
Click to expand...
Click to collapse
Hi @sbnaul Unfortunately I haven't had much progress at all. My device connects with Odin & PC etc with no problem, it is just the charging issue using the mains charger. I have discovered that if I push in and hold the usb connector of the mains charger it will charge. Obviously though, none of us have the time to sit there and hold the phone for its charging process. If I have any further progress I will post here. Good Luck with your own problem, that must be a headache.

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