[Completed] Why won't my nexus 4 charge - XDA Assist

Ok, so this is my story. I dropped my phone and my touchscreen didn't so I tried to replace the digitizer myself but I cracked my lcd while doing it but it still would turn on and charge and everything but the screen is just messed up. And so 1 day later after the phone shuts off because of no battery, I try to charge it but a red solid light (on the bottom) only appeared (and nothing appeared on the screen this time) and so I unplugged it and replugged it but then no red light appeared this time (on the bottom) and nothing showed up on the screen (even though my lcd was broken, I would usually see strange patterns). So now my question is, did I break the battery while trying to remove the digitizer because of the heat gun I used was too hot or is it that phone phone is bricked now

XDA Visitor said:
Ok, so this is my story. I dropped my phone and my touchscreen didn't so I tried to replace the digitizer myself but I cracked my lcd while doing it but it still would turn on and charge and everything but the screen is just messed up. And so 1 day later after the phone shuts off because of no battery, I try to charge it but a red solid light (on the bottom) only appeared (and nothing appeared on the screen this time) and so I unplugged it and replugged it but then no red light appeared this time (on the bottom) and nothing showed up on the screen (even though my lcd was broken, I would usually see strange patterns). So now my question is, did I break the battery while trying to remove the digitizer because of the heat gun I used was too hot or is it that phone phone is bricked now
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Oh ... sounds bad.
Here is a thread about replacing the display: Broken Screen on Nexus 4- How Do I Repair Affordably?
And here another one: Looking for Nexus 4 Display Assembly Replacement.
Maybe too late for you now.
Here is a thread about sending the Nexus 4 back for repair: Send Nexus 4 for Repair.
I think that is what you should do now.
If you register on xda, you can post your question in the [HELP THREAD] nexus4 Ask any question. thread.
There you will get quick and proper help.

Thread closed. Thank you.

Related

Problem with the backlight

Hi! Two days ago, my phone dropped in water , i put them immediately in rice until today. When start it with the power button, i felt the vibration and i hear the open sound. But the screen remains black... but i discover that it was just the backlight because when i watch the screen under a lamp i can see the interface and slide between pages... but its very dark. Is it possible to change this backlight? or just wait few other days to allow time to dry fully. I welcome your suggestions! thanks
samnup said:
Hi! Two days ago, my phone dropped in water , i put them immediately in rice until today. When start it with the power button, i felt the vibration and i hear the open sound. But the screen remains black... but i discover that it was just the backlight because when i watch the screen under a lamp i can see the interface and slide between pages... but its very dark. Is it possible to change this backlight? or just wait few other days to allow time to dry fully. I welcome your suggestions! thanks
Click to expand...
Click to collapse
When there's water involved, IT's hard to know exactly what damaged. Could be just stain on the ribbon connectors, a burned fuse/diode/resistor (all of them micro sized) etc.. or just the LCD's backlight damaged entirely.
Keep it on rice for more time. I would make the battery to discharge to 0%, But it's also more recommended to keep the phone OFF. Only my friend LUCK knows.
To change the backlight, the whole screen needs to be changed.
Backlight died on me. Possible moisture.
First, it was on boot loop (on stock rom)
i went to restart it (holding power button and volume down)
then the screen turned bright white, restarted it and then the backlight died, dismantled the phone, now still in rice, also happened on 2nd April.
Any help is greatly appreciated.
Sherman Han.
Problem Solved.
coly37 said:
First, it was on boot loop (on stock rom)
i went to restart it (holding power button and volume down)
then the screen turned bright white, restarted it and then the backlight died, dismantled the phone, now still in rice, also happened on 2nd April.
Any help is greatly appreciated.
Sherman Han.
Click to expand...
Click to collapse
Took it apart down to the Screen (not the screen layers), left it in rice, works like a brand new now. Cheers.
I just replace all the frame and lcd for a new on my nexus 5, but the problem was still there... no backlight, i can see a little bit the screen, but it's very dark... do you have any idea for try to repair this, because now i don't think that it's the screen but more a motherboard or power problem for the backlight :S
exactly same problem here
nexus 5 phone dropped in water.
Backlight went out permanently - rice didn´t help.
Can see the display working using a flashlight - so rest of the phone seems to be working ok.
Just pruchased a new screen, put it all in and still the same problem: display works, touch works, backlight is off.
So it seems the backlight part of the display receives no power - anybody has an idea how to fix that?
thanks
I have answer to this!
I have had this problem like 3 months now and i finally fixed it.
Basically what i did was that i bought a broken nexus 5 (only the screen glass was broken) and tried to swap every part one by one. The one that was not working was the main dock!
It is a cheap fix, like 10£ on Ebay.
I am writing this post because anyone else haven't.
I hope that someone sees this.
I now copy this message to all other threads so people can fix their nexus 5's
PS:as you can probably tell English isn't my first language.
Hello! I am having the same problem. The cell phone fell to the floor and the next day the problem began. The display is not broken.
What are you taking about when you say "main dock"? Motherboard aka mainboard?
Thanks!

Battery Problem, possible motherboard damage ?

Hi all
I have had my nexus 5 for a while now and just as i was flying overseas some strange things happened.
First the vibration stopped working which i knew was a loose connection on the back of the phone. Holding that area down would get it working again. Then the touch display stopped working. The LCD worked but could not touch anything to unlock the phone. I disassembled the phone and assembled it again and strangely it worked again although i didnt see anything obvious. Then is happened again...
I disassembled the phone and played around with it for a while and noticed if pressed down on the connection where the flex cable connects to the motherboard it would work again. but when i would release the pressure it would be funny again. I did this a number of times until eventually the whole LCD/blacklight should shut off. Now i can rarely get it to display anything. The phone is working because the LED light would flash and i can hear the messaged coming through. I just cannot see anything.
I replaced the flex cable with a new one and still the same issue. I replaced the LCD + digitizer + frame and still the same issue. I guess its the motherboard. Can i fix this ??
Now for some more issues:
I bought a broken Nexus 5 while overseas and i swapped the motherboard out and everything works! So it as definitely the motherboard. However, the second motherboard is having issued the the battery. I have every indication the battery is charging. However the battery percentages is stuck on 40%. It would flicker around 39% 40% instantly and when looking at the battery graph on the phone it is noisy, it is not a constant line. The percentage is not a true indication of the battery charge. I cannot get the phone to turn on just by the battery itself no matter how long i charge it for. I have swapped batteries out and i still get the same issue. I have swapped flex cables and still the same issue. Could it be that the second motherboard is also damaged??
I used the amphere app for a while while i had some power and it shows 100mA while charging but a voltage of 0V! When I unplug the cable it will shutoff. Sometimes i cannot even boot it up while charging.
Amphere showing 1%
h**ps://drive.google.com/open?id=0B9KF5ld-Rlu_VWY2eHA5VXE4R3M
What is wrong with these two motherboards?! I do not see anything obvious on the board itself.
I now see the new Nexus 5X is out but i am hesitant in buying it...This is the first phone i have had major issues with.
PS, i gave the latest updated
Thanks for your help guys. I will provide whatever information i can.
It sounds like your 1st phone is having the same problem I have with mine, which is described here: http://forum.xda-developers.com/google-nexus-5/help/main-board-socket-flex-cable-super-t3217281
Use a magnifying glass to see if any pins on the socket are broken. I still don't know if it's fixable.
ourandroid said:
It sounds like your 1st phone is having the same problem I have with mine, which is described here: http://forum.xda-developers.com/google-nexus-5/help/main-board-socket-flex-cable-super-t3217281
Use a magnifying glass to see if any pins on the socket are broken. I still don't know if it's fixable.
Click to expand...
Click to collapse
thanks for that. I believe this is the same problem also.
Although i cannot find any abnormal pins...
Macro shots of suspect connection:
https://drive.google.com/folderview?id=0B9KF5ld-Rlu_S2hwUDhlQUJlN2c&usp=sharing

Problem with Display-exchange

Hello,
First of all i dont know if this is the right forum for my question. If not so please notice me.
After my Z5 dropped on the floor i got an broken Display. I bought a new Display and changed it, but i think i broke the LCD-Flexcable after i pulled carefully on it to get it inside the case. The effect is after phone turn on i get only the backlight but the screen remains black. So for a test i switched my old broken display in it but the effect is the same, only backlight and black screen. After a few seconds the phone led blinks 3 times red and the phone restarts. What the heck is now? Anybody get the same case? I handled the mainboard with care, dont remember to damaged the connector in anyway. Does the Flexcable needs to be protected with a tape so it couldnt be grounded on someway?
Sorry for my bad english. Thanks for any help!
After a second and a third display swap the error is still the same. It seems somehow i damaged the motherboard. I swapped the phone against a new one.
Please help, same problem ...

Nexus 5 colorful vertical lines

Hello
I have a strange problem with my Nexus 5. Today when I booted it up it started fine and everything was working. After 2 hours I wanted to check my phone, but it had turned off. I pressed the power button and strange vertical lines appeared coming from the top of the screen. They disappeared after 3 seconds, but now my phone has no picture only the backlight is working. When I reboot the phone I see the stripes again, but still screen is unresponsive after booting. I know the phone works, because I hear the notifications coming in. I though, that maybe the lcd cable has gotten loose, so I opened up the phone, but the cables were still all connected. I haven't dropped my phone or anything. Can anyone please suggest me what to do? Does it have something to do with the cables? Or is the screen broken ? Any help will be appreciated.
This has happened to mines previously. Unfortunately you'll need to replace what is called the flex cable.
A lot of topics about this issue but no one answers is not complete.
In my case usb flex replacement haven't got any result. Absolutely!
Only by replacing the mainboard (i.e. motherboard) Nexus 5 became alive.
So, feature Nexus 5 rainbow vertical lines victims, keep this in mind.
ps: yes, I'm a necroposter, sorry
Same thing happens to me some time ago, now i've put some paper on the mainboard connector and the problem appear only some times.
I think i have to buy a new phone.

Possible display damage? Or proximity sensor issue?

Hi everybody.
I’ve had this phone for 10 months now and it’s been great. Yesterday, when i was trying to make a call, it was telling me that i am too close to the screen. I understood that the proximity sensor was acting funny, but I didn’t had time to look into it, because it was not covered by anything and it was in good light. This morning it was a short white flash when I unlocked it or when I was turning the screen off. It worked great all day after that. Then this evening i was using the phone and all of the sudden the screen started to flash white, then it would turn off fast and back on all white. It did that for 4-5 times, then it went in the state you see in the clip below. At one tine, it turned on like nothing happened for 3-4 seconds.
If i plug the charger in, it reacts normal. It's making the charging sound and it vibrates. Seems to be alive in the background, even though it's not displaying anything.
Does it have anything to do with the proximity sensor? Is it the ribbon cable connecting the display to the motherboard faulty? Should i just order a new display assembly?
Interesting, the next day seems to behave a bit different. I had remote erased it, i didn't want any of my personal data to remain on it.
I have found out that if the brightness level is low, i takes a few seconds until it starts blinking. If the brightness is high, then it does that straight away.
Ok, i will post a follow up for anyone else having the same problem. Now i can see that the display is damaged on the top left corner, the pixels are staying lit up bright. Now i can use it on low brightness for longer periods of time without flickering.
I have ordered a replacement screen assembly and i'm still waiting for it, as i don't have the phone under warranty. Looking forward to getting it fixed.
I have also ordered a replacement screen and will replace it when the shipment arrived. Have you found a repair manual for the screen replacement?
I have already removed the back cover of my phone and it seems it will not be so difficult. But it would be better to follow a manual.
CrisGSM said:
Hi everybody.
Does it have anything to do with the proximity sensor? Is it the ribbon cable connecting the display to the motherboard faulty? Should i just order a new display assembly?
Click to expand...
Click to collapse
I read this post now, I've got this kinda of broblem a month ago, but this happened only when the phone temperature became hot, I mean over 40°C, after a factory reset everything became normal, I no longer got high temperature and this problem don't appear, so at least in my phone it wasn't a hardware problem.
https://u.pcloud.link/publink/show?code=XZlcytkZWeh5RbqPt7fWqlxP3mT0LSb7b3oy
Hey guys I had the exact same problem. I sent my phone back in for repair and this is what I got
We have completed the necessary evaluation and repairs. We have also updated your device to the most current software.
We are in the process of shipping your device back. Typically, you should receive your device within two to three business days.
Repair Info: Display Failure(LCD Crack) (Functional), Display Failure(LCD Screen Bla (Functional), Display Failure(Others) (Functional)
Tracking number: 3939 9990 3569
If you have any additional questions, please DO NOT respond to this email. You may call us at 1-877-817-1759.
My advice is if the phone is under warranty send it in. Seeing this makes me wonder if it's a widespread hardware issue
I have received the replacement display and i have done the repair myself. All is fine, the phone is working good now.
CrisGSM said:
I have received the replacement display and i have done the repair myself. All is fine, the phone is working good now.
Click to expand...
Click to collapse
How was the teardown ? I can't find any videos on it. The axon 7 was a pain for me because the aluminum case was a pain to take off around the corners and got damaged a bit. Hopefully removing the back of the axon 10 is a little easier . Thanks for any info

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