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[Q][PROBLEM] WiFi and BT not working anymore!

Two days ago my WiFi stopped working. WiFi simply won't turn on. I tap it to enable and it's working on it, but it takes longer than usual and gives me an error. Just says error.. the next day I noticed my Bluetooth had the very same problem. Won't turn on.
This happened a day after I got the new white back cover. However, I don't see a connection as the problem persist with the original back cover on. I tried reflashing my ROM to no success. I am also having the
Anker 1900 mAh extended battery.
Any other tips before I go on with a full wipe of phone and cache?

krugm0f0 said:
Two days ago my WiFi stopped working. WiFi simply won't turn on. I tap it to enable and it's working on it, but it takes longer than usual and gives me an error. Just says error.. the next day I noticed my Bluetooth had the very same problem. Won't turn on.
This happened a day after I got the new white back cover. However, I don't see a connection as the problem persist with the original back cover on. I tried reflashing my ROM to no success. I am also having the
Anker 1900 mAh extended battery.
Any other tips before I go on with a full wipe of phone and cache?
Click to expand...
Click to collapse
Ello m8,
Had a similar issue only my wifi was the only wireless function which wouldn't work, i'd click it and then wait, and wait, and wait and then it would say error.
Tried literally everything, I eventually admitted defeat and gave my phone back to the HTC rep who gave it to me, I got it from HTC for free in the first place as i work with phones all the time and they wanted me to test it for them, they replaced it straight away.
My advice for you would be to check my thread and see if anything that me and a few others have tried (oh and pray that it's a software issue) and if that doesn't work then bite the bullet, and unroot the phone by flashing an official RUU and send it back to HTC.
This is my thread http://forum.xda-developers.com/showthread.php?t=1302347
Good luck and i hope you get it working again.

Full wipe and everything to no success. Will send it back for repairs..
Sent from my HTC Sensation Z710e using xda premium

krugm0f0 said:
Full wipe and everything to no success. Will send it back for repairs..
Sent from my HTC Sensation Z710e using xda premium
Click to expand...
Click to collapse
Hi,
Before you send it off,I had a similar problem with the wifi not working.
I opened the back and GENTLY lifted the two copper connectors just above the camera.
Bingo!
Wifi worked again.
Worth a try.

malybru said:
Hi,
Before you send it off,I had a similar problem with the wifi not working.
I opened the back and GENTLY lifted the two copper connectors just above the camera.
Bingo!
Wifi worked again.
Worth a try.
Click to expand...
Click to collapse
Shouldn't it be working without the "external antenna" as well?

Sent it back for RMA, changed both lcd screen (a single piece of dust) and rigid flex. Comes by air mail tonight!
Sent from my Sony Xperia Arc S LT18i,
using XDA Premium on Arconium 3c, Android 4.0.4.

[Q] Samsung Galaxy SL i9003 screen unresponsive

the touchscreen of my samsung galaxy SL i9003 stops responding about 5 seconds after i unlock the screen.
I have done factory reset but problem still persists. Please help.

PTMensah said:
the touchscreen of my samsung galaxy SL i9003 stops responding about 5 seconds after i unlock the screen.
I have done factory reset but problem still persists. Please help.
Click to expand...
Click to collapse
Is your phone in warranty?

can you give us some basic information? such like rom & kernel version, wether you rooted and ade using cputuningtools or something like that.
if you are under stock rom(original samsung & all further updates over kies) and u have done nothing unnormally so far i would recommend use the warranty too; )
Sent from my GT-I9003 using XDA

thanks guys
i have not rooted or changed the stock rom
i only factory reset it when the problem started
i just discovered that when i plug in the charger the touch screen works normally but does not respond to touch when not charging

PTMensah said:
thanks guys
i have not rooted or changed the stock rom
i only factory reset it when the problem started
i just discovered that when i plug in the charger the touch screen works normally but does not respond to touch when not charging
Click to expand...
Click to collapse
I had the same issue. I got my touch panel replaced by the Samsung guys. That's why I was asking whether your phone is under warranty or not.
Sent from my SIII looking SL
....
...
I'm more on XDA than FB...

Here we go, this proves this has nothing to with CM9, this guy is on stock.
Many people are blaming CM9 for this and claiming it caused the problem.
It's a hardware defect.

Skander1998 said:
Here we go, this proves this has nothing to with CM9, this guy is on stock.
Many people are blaming CM9 for this and claiming it caused the problem.
It's a hardware defect.
Click to expand...
Click to collapse
Agree. :good:
I'll wait for a few weeks or till the phone is usable for the kernel 3.0. :fingers-crossed:
If not then no other option but create a Rs.5000 hole in my pocket. :crying:

Same case with me... Bought the i9003 March 2011.
I'm on DDKP3 and around the same time as the OP, my touchscreen started to act strange... responsive only when charger is plugged in. Tried factory reset, but problem came back after some hours!
If this is a product-wide issue, then I guess sammy should replace it for free, even if it's out of warranty... too busy to go to the nearest service cenrter, will check later.
Till then, please keep me updated how it goes for you.
---------- Post added at 02:31 PM ---------- Previous post was at 02:24 PM ----------
Just wondering, if a reflash of DDKP3 via ODIN or any custom ROM would solve the issue... please suggest.

I guess the sensitivity settings (or something like that) has changed without you knowing. Don't know if it is the same as s2 but in s2, sensitivity of the phone not plugged in the charger and plugged in has different settings. So maybe the settings for it in your case (unplugged) has changed but not on the plugged in settings. It's all in the kernel btw.
Sent from my GT-I9100 using xda premium

^^^ So what do you suggest?

agnivo007 said:
^^^ So what do you suggest?
Click to expand...
Click to collapse
Maybe asking a kernel dev if the values changed or what not. If i'm correct then it's a software problem, if not then maybe a hardware problem.
Sent from my GT-I9100 using xda premium

Same problem!!!
It happened last week when my phone surprisingly started showing this problem. After unlocking the phone the screen becomes unresponsive. In my case it is just 1-2 secs after unlocking the phone.
It lasted for a day, I tried flashing different ROMs. I was on XXKPE when it happened. And than suddenly my phone started working fine until yesterday when this thing again happened and the problem still persists (I am still on KPE). I dont know what to do.
I think it can be some software problem as the screen and touch keys do work for some time before becoming unresponsive and even the logcat shows no problems for the touch screen. I am going to try more ROMs now. Will keep you posted.

Possible solution !!!
Friends, I think I found a possible solution for this issue. Though it seems to work for me... I have to keep the phone under observation for some days until I can say it's the final solution.
A similar thread: http://forum.xda-developers.com/showthread.php?t=1695149
The possible cause for the touch screen going unresponsive seems not to be a hardware/software glitch; but environmental issue! And it doesn't depend on the ROM your'e running.
I noticed that most people from India having this issue say that this problem started in June, when the rainy season starts and it gets humid and damp.
In fact my phone showed this issue when it had rained for the last 2 days and it was very damp and humid inside the house.
You can do the following:
1. Take out the back cover, memory card, SIM and battery.
2. Place the backside of the phone near a hot air source (on top of a running CRT TV/monitor, hairdryer, laptop fan vent) for sometime.
3. Reassemble and check if the problem has gone away.
Do not panic if the handset gets a bit hot in the process!
In my case, I left it on the top grille of a CRT TV for a day which ran for 8hrs.
Do let me know if this works for you...

Flashing the ROM does not solve the problem
neetinnagap said:
It happened last week when my phone surprisingly started showing this problem. After unlocking the phone the screen becomes unresponsive. In my case it is just 1-2 secs after unlocking the phone.
It lasted for a day, I tried flashing different ROMs. I was on XXKPE when it happened. And than suddenly my phone started working fine until yesterday when this thing again happened and the problem still persists (I am still on KPE). I dont know what to do.
I think it can be some software problem as the screen and touch keys do work for some time before becoming unresponsive and even the logcat shows no problems for the touch screen. I am going to try more ROMs now. Will keep you posted.
Click to expand...
Click to collapse
I've sent the phone to the samsung guys who have flashed the phone twice but the problem still persists.

PLs keep us updated
agnivo007 said:
Friends, I think I found a possible solution for this issue. Though it seems to work for me... I have to keep the phone under observation for some days until I can say it's the final solution.
A similar thread: http://forum.xda-developers.com/showthread.php?t=1695149
The possible cause for the touch screen going unresponsive seems not to be a hardware/software glitch; but environmental issue! And it doesn't depend on the ROM your'e running.
I noticed that most people from India having this issue say that this problem started in June, when the rainy season starts and it gets humid and damp.
In fact my phone showed this issue when it had rained for the last 2 days and it was very damp and humid inside the house.
You can do the following:
1. Take out the back cover, memory card, SIM and battery.
2. Place the backside of the phone near a hot air source (on top of a running CRT TV/monitor, hairdryer, laptop fan vent) for sometime.
3. Reassemble and check if the problem has gone away.
Do not panic if the handset gets a bit hot in the process!
In my case, I left it on the top grille of a CRT TV for a day which ran for 8hrs.
Do let me know if this works for you...
Click to expand...
Click to collapse
Thanks.
Pls keep us updated

Problem Solved!!
Thanks to agnivo007.
I guess the climate is the only reason. I used his method to heat up my phone a little bit by charging it enough. Than it started working fine. No problems since then. Lets see.

ephraim033 said:
I guess the sensitivity settings (or something like that) has changed without you knowing. Don't know if it is the same as s2 but in s2, sensitivity of the phone not plugged in the charger and plugged in has different settings. So maybe the settings for it in your case (unplugged) has changed but not on the plugged in settings. It's all in the kernel btw.
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
But changing the panel solves the issue..
The kernel won't reset itself if you change the screen.

Skander1998 said:
But changing the panel solves the issue..
The kernel won't reset itself if you change the screen.
Click to expand...
Click to collapse
ephraim033 said:
Maybe asking a kernel dev if the values changed or what not. If i'm correct then it's a software problem, if not then maybe a hardware problem.
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Sent from my GT-I9100 using xda premium

Touch Screen non-responsive Problem
I had the same issue and when i dismantlement the thing, came across a small batter. could this be the reason? Cos while charging this battery is not used but when running with battery, this small dry typed batter can be in use.

Found Any Solution
Could any 1 find a solution for this matter?
If so pls. update. Mine is still there.
I can't get rid of it.

Phone dead > no boot, no lights

I've posted this in the CM9 Alpha6 thread but didnt have any response so trying here since it may not be ROM related. I'm S-ON and have been running A6 for 5-6 weeks and besides the battery drain and random reboots it was ok. Two days ago I tried the WiFi tethering for the first time and it work well for a few hours. However, suddenly it rebooted 3 times in a loop and went dead after the last reboot. I tried all combinations of pressing buttons (power, hboot, recovery...) , replacing battery, charger and so on and it just doenst power up and doesnt show any ligths. Connected to the laptop it doenst see the phone since is not powered on. The battery doesn't look swollen or defective and it was fully charged when the phone went dead.
I went yesterday to the TMobile store and tried with a new battery and didnt do anything. Also tried different chargers and USB to laptop, nothing, no response.
Any ideas why the phone went dead? Is it definitely gone? Should i add it to the collection of paperweights?
Thanks a lot

Also, is there anyway to wipe the phone's data? TMobile told me i can get a replacement but im worried all my data is in the dead phone ill be sending back

In almost ALL circumstances if you can't get in, they can't either. At least until it's sent back and you already have your new phone. Then HTC doesn't really have the time OR inclination to do forensic system analysis of every phone and will just go about replacing its guts & sending it back out as a refurb.
It having been a commercial "semi-flop" I persoanlly believe they will be happy when they all die and we all shut the hell up about ICS & JB. LOL

WeekendsR2Short said:
It having been a commercial "semi-flop" I persoanlly believe they will be happy when they all die and we all shut the hell up about ICS & JB. LOL
Click to expand...
Click to collapse
I dont worry about TMo or HTC bringing ICS/JB for any of my devices, since that will mean again getting read of crapware, settings....personally i prefer any of the multiple ROMs and thats part of the Android beauty...
Now, since i got the replacement i have to worry about sending my old phone back and it ending up resold without being wiped....do you know any part of the phone where a screwdriver tip (or hammer) will ensure the phone memory is gone?

If you could get it to come back on even just to HBoot I could tell you how to fry it BUT it would just take it back to where it is right now but with the partition tables borked. I can understand your concerns but I honestly think you're worrying about something that won't happen. Even if they were to use the internal memory again (IF they could) they would do a partition repair & reformat before reinstalling the stock ROM. I would be concerned though about sending one back with physical damage. That COULD turn into a "GOTCHA". KWIM?

Judging by your description, I'd say your phone has a hardware problem. If no lights are coming on, and there's absolutely no response, it's either the motherboard or the display.
But nothing HTC can't handle. They should be able to fix it and send it back no problem. Very rarely will they send you a new phone. They always try to save the phone you send in.
For software, they can probably restore it using their factory special cable connection (forgot what it's called).

That being the case it would still be sent back out to someone else after the repairs. TMobile will send a replacement to a customer and the borked one is sent back to them in the same box the replacement came to you in. At least that's what's happened to everyone I know (including myself) that has gone thru TMobile instead of having to deal directly with HTC.

^^^^^^^^^^^^ +1 couldn't have said it better myself

restopi said:
I've posted this in the CM9 Alpha6 thread but didnt have any response so trying here since it may not be ROM related. I'm S-ON and have been running A6 for 5-6 weeks and besides the battery drain and random reboots it was ok. Two days ago I tried the WiFi tethering for the first time and it work well for a few hours. However, suddenly it rebooted 3 times in a loop and went dead after the last reboot. I tried all combinations of pressing buttons (power, hboot, recovery...) , replacing battery, charger and so on and it just doenst power up and doesnt show any ligths. Connected to the laptop it doenst see the phone since is not powered on. The battery doesn't look swollen or defective and it was fully charged when the phone went dead.
I went yesterday to the TMobile store and tried with a new battery and didnt do anything. Also tried different chargers and USB to laptop, nothing, no response.
Any ideas why the phone went dead? Is it definitely gone? Should i add it to the collection of paperweights?
Thanks a lot
Click to expand...
Click to collapse
were you on cwm 4.0.0.9?

mattlowry said:
were you on cwm 4.0.0.9?
Click to expand...
Click to collapse
I was wondering the VERY same thing! The old dead battery = borked phone trick on 4.0.0.9?

WeekendsR2Short said:
I was wondering the VERY same thing! The old dead battery = borked phone trick on 4.0.0.9?
Click to expand...
Click to collapse
I used to freak out when my battery was low and I had the no off charging recovery.
Sent from my HTC MyTouch 4G Slide running MikXE

mattlowry said:
were you on cwm 4.0.0.9?
Click to expand...
Click to collapse
No, it was 5.0.2.7

gtmaster303 said:
Judging by your description, I'd say your phone has a hardware problem. If no lights are coming on, and there's absolutely no response, it's either the motherboard or the display.
But nothing HTC can't handle. They should be able to fix it and send it back no problem. Very rarely will they send you a new phone. They always try to save the phone you send in.
For software, they can probably restore it using their factory special cable connection (forgot what it's called).
Click to expand...
Click to collapse
I think you are right and there is some HW problem, I was wondering if it had to do with me having the WiFi tethering on since i just switched it on for the first time 3-4 before it went dead and the phone was hotter than usual. Maybe nothing to do but i thought it could be a possibility

WeekendsR2Short said:
That being the case it would still be sent back out to someone else after the repairs. TMobile will send a replacement to a customer and the borked one is sent back to them in the same box the replacement came to you in. At least that's what's happened to everyone I know (including myself) that has gone thru TMobile instead of having to deal directly with HTC.
Click to expand...
Click to collapse
Just as an update and to post my experience replacing the phone; since i had insurance, TMo sent me the a new phone ... in less than 24h !!!, seems if you report before 5pm you get the new phone in your hands the AM of the next business day, pretty good.
The phone came on a special package, with return labels, but without SIM, SD, battery or back cover, just the "carcass". Put the old phone sim and old battery in and i worked fine....then spent the next hour unlocking, recovery, flashing ROM and updating apps+data....done and my new phone is practically the same as the old was.
Now i have 7 days to return the old one in the same package or they will charge me $300....probably im paranoid about the data in the old phone, but after reading http://www.wired.com/gadgetlab/2012/08/apple-amazon-mat-honan-hacking/all/ i immediately went and added 2-step verification to my google account...
So in summary, very good replacing process from TMo (if you have insurance), and added extra security to my GAccount...for the rest, just crossing fingers that nothing bad happens in the future

strapped365 said:
I used to freak out when my battery was low and I had the no off charging recovery.
Sent from my HTC MyTouch 4G Slide running MikXE
Click to expand...
Click to collapse
Maybe I just missed it Strapped but I never even knew about that issue with MoDaCo until I had already moved on to 5.0.2.7. Then I liked to have crapped my pants!
---------- Post added at 02:22 PM ---------- Previous post was at 02:21 PM ----------
restopi said:
Just as an update and to post my experience replacing the phone; since i had insurance, TMo sent me the a new phone ... in less than 24h !!!, seems if you report before 5pm you get the new phone in your hands the AM of the next business day, pretty good.
The phone came on a special package, with return labels, but without SIM, SD, battery or back cover, just the "carcass". Put the old phone sim and old battery in and i worked fine....then spent the next hour unlocking, recovery, flashing ROM and updating apps+data....done and my new phone is practically the same as the old was.
Now i have 7 days to return the old one in the same package or they will charge me $300....probably im paranoid about the data in the old phone, but after reading http://www.wired.com/gadgetlab/2012/08/apple-amazon-mat-honan-hacking/all/ i immediately went and added 2-step verification to my google account...
So in summary, very good replacing process from TMo (if you have insurance), and added extra security to my GAccount...for the rest, just crossing fingers that nothing bad happens in the future
Click to expand...
Click to collapse
It's sure good to hear that it all went so smoothly for you! :good:

WiFi not working, tried all sort of guide

So i've been trying to fix my wifi for the last few days, i've tried flashing the august update, factory resetting, doing This Guide, taking apart the device and it still won't ****ing work, i mean wtf? I was texting my friend and suddenly it ****ing shuts off and when it turns on it doesn't want to connect to wifi and does all short of crazy thing. No it's not a power button issue and no it's not hardware, the thing freezes constantly(and reboots afterwards). I don't know, this left a very bitter taste of android in my mouth, and that's disappointing for someone who has been in the ecosystem since donut came out. I won't blame the Nexus 5 it's a great device and it will always be a great device (If it's a hardware issue i wouldn't be this butthurt since this phone is 2+ years old).
Problem details:
*WiFi won't work. Data, bluetooth, GPS, NFC, cell network, etc works.
*MAC address stays at 02:00:00:00:00:00. When it briefly worked the MAC address was 00:8x:xx:xx:xx:xx or something.
*System has a 98% chance of freezing and ****ing up. Not power button issue. It then reboots after it freezes like ****.
*Everything else still works, i'm 99% certain that it's software's fault.
*Now it shows blank screenw with navbar and status bar present, but on the status bar it says 23.06 (its 23.10 currently), no sim icon and no battery icon. It did something similar when the issue first started
What i've tried:
*Smacking the device, jk. Clean flashing the august update.
*Wiping cache partition
*Deleted persist/wifi
*Doing the persist guide on xda
*Completely discharged and recharged it, WiFi works temporarily
*Using Pry-Fi. And wifi fixer app with a penguin icon.
*Pray to God 24/7
*Flashing AOSPA
What i will try:
????

It could be a hardware issue. I have two nexus 5 motherboards sitting in my junk pile that work perfectly except wifi either won't turn on or won't connect to any open or password-protected network. I have also tried different Roms, radios, and boot loaders. Once I changed the motherboard without changing anything else, wifi was perfect.

audit13 said:
It could be a hardware issue. I have two nexus 5 motherboards sitting in my junk pile that work perfectly except wifi either won't turn on or won't connect to any open or password-protected network. I have also tried different Roms, radios, and boot loaders. Once I changed the motherboard without changing anything else, wifi was perfect.
Click to expand...
Click to collapse
But, how could it be hardware? i haven't done anything to it, how do i know that it's hardware though? :crying:

DT1989DLX said:
But, how could it be hardware? i haven't done anything to it, how do i know that it's hardware though? :crying:
Click to expand...
Click to collapse
If you tried a complete clean install of a factory image, and it still didn't work, then it's probably an hardware issue. It really looks like it too, but I'm no expert. How would a software issue persist among different flashes? I'd say something fried on your motherboard, and now you have that issue with wifi.

It could be hardware. Both motherboards that I have came from phones that were never dropped or came in contact with any moisture.
This can happen suddenly, similar to the sudden death of the emmc chip on the Nexus 5.
The wifi and emmc issue is not that uncommon in Samsung s4 either.

Dark_Eyes_ said:
If you tried a complete clean install of a factory image, and it still didn't work, then it's probably an hardware issue. It really looks like it too, but I'm no expert. How would a software issue persist among different flashes? I'd say something fried on your motherboard, and now you have that issue with wifi.
Click to expand...
Click to collapse
audit13 said:
It could be hardware. Both motherboards that I have came from phones that were never dropped or came in contact with any moisture.
This can happen suddenly, similar to the sudden death of the emmc chip on the Nexus 5.
The wifi and emmc issue is not that uncommon in Samsung s4 either.
Click to expand...
Click to collapse
Ok so this morning it works again, but the software still kinda buggy (random freezes). I can access the web via chrome and i can download some stuff in the play store, is this still a hardware issue? I'm still worried the wifi won't turn on again though. The MAC address seems normal too now
edit: Nope, shuts off again. But it works in safe mode.... .wtf?

audit13 said:
It could be hardware. Both motherboards that I have came from phones that were never dropped or came in contact with any moisture.
This can happen suddenly, similar to the sudden death of the emmc chip on the Nexus 5.
The wifi and emmc issue is not that uncommon in Samsung s4 either.
Click to expand...
Click to collapse
The wiFi works again now, but the software is still buggy, the MAC address is normal and i can do things with wifi like i normally would. Is this hardware? I thought if the wifi hardware is dead it won't turn back on at all
edit: nope it shuts off again, works in safe mode

How long does wifi work in safe mode?

audit13 said:
How long does wifi work in safe mode?
Click to expand...
Click to collapse
Random. Today it worked for a few hours (not in safe mode). And yesterday it worked for like 30 minutes in safe mode

I still think it's a slowly dying wi-fi chip. If it's not too annoying, I would live with it.

audit13 said:
I still think it's a slowly dying wi-fi chip. If it's not too annoying, I would live with it.
Click to expand...
Click to collapse
Do you think the oven method will work to revive it?

It might but the fix would be temporary if it is a problem with the chip lifting.

same thing has happened to me just now .. its a common problem i think
wifi is f*****d

audit13 said:
It might but the fix would be temporary if it is a problem with the chip lifting.
Click to expand...
Click to collapse
Chip lifting....? What does that mean?

I define lift as a situation where the phone heats up and causes a chip to lift away from the circuit board, causing one or more broken connections at the solder points. The process of heating the circuit board in an oven is sometimes referred to as "solder reflow" by some people.

Nexus 5 Black Screen, But Still Working

So my Nexus 5 (a couple months ago) has started to just randomly go black. I get notifications and stuff, and the backlight but no display. Not sure what to do or what part to replace. Would flashing/rooting help at all?

Appears to be a hardware problem.
Was the phone every dropped or exposed to water/moisture? Possible loose connection inside?
No way to tell for sure if the phone needs a new screen unless you are able to test the motherboard in another N5.

audit13 said:
Appears to be a hardware problem.
Was the phone every dropped or exposed to water/moisture? Possible loose connection inside?
No way to tell for sure if the phone needs a new screen unless you are able to test the motherboard in another N5.
Click to expand...
Click to collapse
It's been dropped a couple times but not like any major drops or anything. Im pretty sure I checked all the connections inside and they were good. Im starting to figure out that the phone has to be off for a little bit then I have to charge it and turn it on and it works again

Sounds like it could be a damaged lcd or lcd connection. If it can work after being charged while powered off, could be battery or USB flex cable issue.

audit13 said:
Sounds like it could be a damaged lcd or lcd connection. If it can work after being charged while powered off, could be battery or USB flex cable issue.
Click to expand...
Click to collapse
OK thanks, ill have to look up some videos on how to check everything

Same problem
cocook2000 said:
So my Nexus 5 (a couple months ago) has started to just randomly go black. I get notifications and stuff, and the backlight but no display. Not sure what to do or what part to replace. Would flashing/rooting help at all?
Click to expand...
Click to collapse
The screen suddenly goes black and after force reboot every thung is fine. When screen was black i tried calling my no it ranged but i cannot answer thr phone.
It had happed around 5-6 times in a about a week with me.
Cant figure problem.
After reboot every thing is fine working normally

[email protected] said:
The screen suddenly goes black and after force reboot every thung is fine. When screen was black i tried calling my no it ranged but i cannot answer thr phone.
It had happed around 5-6 times in a about a week with me.
Cant figure problem.
After reboot every thing is fine working normally
Click to expand...
Click to collapse
Ya I figured out I have to reboot it a bunch of times then it will work

I think it might be the battery because this is my dad's old phone so it's been in use for a solid 3 years.. I wish I knew for sure though

So I have discovered that if my screen is on for a while the task bar at the bottom starts to shift up and down

Have you found out more about this? I think I have the same problem. My phone never turns black while I use it. But when the screen is off/sleeping, it sometimes won't turn on again. So a force reboot fixes it. Sometimes this happens a lot, some times it works fine a whole day.
Sent from my Nexus 5 using Tapatalk

tor0en said:
Have you found out more about this? I think I have the same problem. My phone never turns black while I use it. But when the screen is off/sleeping, it sometimes won't turn on again. So a force reboot fixes it. Sometimes this happens a lot, some times it works fine a whole day.
Click to expand...
Click to collapse
No I decided to send it into LG I'll update this when they tell me what's up with it

cocook2000 said:
No I decided to send it into LG I'll update this when they tell me what's up with it
Click to expand...
Click to collapse
OK!
I could also mention that this happen every time I unlocked the lockscreen on stock ROMs, and custom. But nameless ROM for some reason got it to this point at least. If any one have black screen on unlocking the block screen, try nameless rom...
Sent from my Nexus 5 using Tapatalk

tor0en said:
OK!
I could also mention that this happen every time I unlocked the lockscreen on stock ROMs, and custom. But nameless ROM for some reason got it to this point at least. If any one have black screen on unlocking the block screen, try nameless rom...
Click to expand...
Click to collapse
So what your saying is to try the rom and see if it fixes it? Can I have a link or something, I don't know much about roms

cocook2000 said:
So what your saying is to try the rom and see if it fixes it? Can I have a link or something, I don't know much about roms
Click to expand...
Click to collapse
Maybe, I don't think so. My phone was useless, black screen on every screen unlock. But namelessrom took that away, so that tip about nameless was for those who have the same black screen I had earlier. But now I have the same black screens as you do. Anyway, if you want to try it out, nameless-rom.org
Sent from my Nexus 5 using Tapatalk

Happens with my nexus too. The screen goes blank randomly ..... But i have managed to deal with it.

Its happan to me also, with 4 nexus 5 of my family.
Is a firmware problem?

I'm trying to buy a new flex cable to see if it will help I'll update when I find out

You're replacing the USB charging flex cable? If you are, be careful with cheap third-party replacements as I have read reports of people having issues with charging, signal, or speaker functionality after installing the cable.

tor0en said:
Have you found out more about this? I think I have the same problem. My phone never turns black while I use it. But when the screen is off/sleeping, it sometimes won't turn on again. So a force reboot fixes it. Sometimes this happens a lot, some times it works fine a whole day.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Ya so i sent it to LG finally and the diagnostic said that it was a flex cable issue which I was sure that it was anyway but I have a confirmation now

I've had a similar problem when my display suddenly started failing. First, there was colourful bands over the working display, then colourful static only and then black with backlight only. Bought a new phone, left it for a year and today after digging in the phone for a while I found a fix. The connection between the motherboard (the top bit) and the daughter board (the bit below battery with USB and connection to display) was somewhat loose and when pressed on, the display worked beautifully. I stuffed the insides with some tape to maintain pressure on the connection and phone works great.
Might not work for your problem, but it's worth a try if you're out of warranty and have tools to disassemble the phone.