Android 6 Black Screen issue - Galaxy Note 4 Q&A, Help & Troubleshooting

Hi,
im here on a strange problem.
Two N910C's
Both on 6.0.1 and clean flashed eRobot v6
One device works fine without problems.
The second one runs into trouble.
Random times the screen goes black and everything is unresponsive. Only way to bring it back is to pull battery.
Sometimes this happens again shortly after pulling the battery. Same procedure again an it works ... for some time.
Anybody knows what causes this or maybe has an idea?
Greetings

Related

Screen Behaving Abnormally

my nexus 4 is behaving abnormally... the lower part of the screen(1 cm) is unresponsive to touch(tested with pointer location) and sometimes out of the blue the touch input for the entire screen stops working and works after a couple of lock/unlock and the sometimes the phone starts pressing anywhere by itself.... I was running pa latest version... it was working fine ... so i restored the phone to the old pa since i need pie because bottom screen not working= no navbar.... it still didnt work and screen with similar problems. have anyone experienced something like this... is it something with the screen or other hardware parts ... help!
i had this issue with the bottom right side and a irresponsive touch screen at times, it was fine at beforehand, i backup and reflashed and it worked, using PA. it depends if the phone was fine for months before or something that has happened when you first used it. try restore to stock rom and kernel
If you've already done a factory reset, it's likely a hardware problem. You'll probably have to have someone repair it. If you're really desperate, I guess you could try putting it in the freezer for a few minutes, and seeing if that fixes any connection problems. That might just make it worse/cause other problems though. It works with hard drives on occasion.

Screen gets black/gray/white and then gets back to itself

Hi guys,
I would really appreciate your help if you ever ran into such an issue.
This thing started happening on Android 4.3 and it continued on Kitkat after I unlocked my device, unlocked, wiped and installed factory image of Kitkat.
The thing is that while working the screen suddenly turns either black/gray/ image dims/ only half image appears.
It mostly happens when using Chrome.
after a few minutes of dimming just leting it on with the screen off, it all go back to normal.
The only thing I noticed is that the region of the back camera gets a little warm, but besides that everything's OK.
Have anyone ever ran into such a thing? What could be the problem?
I'd appreciate your response,
Fabian
anyone??
Please?
Thanks,
Fabian

Note 4 (T-Mobile) Lag, Freeze, Crashes, Restarts.

This is my first post on this forum. I searched around here for a solution, didn't really find one matching my problem. I am not a phone wizard or anything like that either. So I'll try my best explaining my problem.
First things first:
Phone: Note 4
Model #: SM-N910T
Android Version: 5.1.1
Rom: Stock Rom
Rooted: Rooted Once and used a custom Stock T Mobile Rom Once.
Here's the ROM I used at the time: http://forum.xda-developers.com/not...10tuvu1cog2-debloated-deodexed-stock-t3175406
Recently I So recently my phone out of the blue started lagging, freezing, and restarting itself. I didn't download any applications or anything like that for it to freeze up. I was currently then on the custom ROM I have mentioned above and it was the updated version. I have tried everything to my knowledge to try and fix the problem. I have tried going back to stock T mobile ROM (currently on stock rom now) through odin and stuff. After all that, it was still lagging, freezing, and restarting etc... Ran it through safe mode and the only problem in safe mode is that the lag is gone, but the restart is still there. Running in safe mode, if I would turn the screen off and back on to unlock my phone, there would be like 40% chance that it would restart after unlocking the phone and the phone would just restart normally. Rarely, whenever my phone would attempt to restart.. I would get a "Could not boot normally" message along with couples codes below and the image of android guy. Then I would have to take my battery out and attempt to restart the phone once again.. I've wiped the cache and everything in recovery mode, nothing helps at all. Also, the phone is in perfect condition. Hasn't been dropped, cracked, no water damage, or anything like that.
This place is my only hope to fix my phone before I will go out to buy another phone from the carrier.
Thank you all for taking your time to help me
u r not alone
hi, huntitude. even i am experiencing similar issues. kindly follow this thread and update if u find any solution
http://forum.xda-developers.com/note-4/help/frustrating-problem-phone-lagging-t3336964
doctor geek said:
hi, huntitude. even i am experiencing similar issues. kindly follow this thread and update if u find any solution
http://forum.xda-developers.com/note-4/help/frustrating-problem-phone-lagging-t3336964
Click to expand...
Click to collapse
Well I already got rid of my note 4 unfortunately before anyone could help me here so I had to upgrade my phone to note 5 and return note 4. While I still had my note 4, I realized something weird. While the phone was lagging and crashing etc.. When I had it plugged in for charge it would work perfectly fine. No lag, it wouldn't freeze up or restart (had it running perfect for 7 hours). It was like my phone was brand new again. As soon as I unplugged it from the charger, few minutes in and it was back to restarting and all that. I never knew why it did that.
Anyone know why this mightve happened?
Might be the battery though
I thought that too. I tried my brothers note 4 battery for awhile and it worked for a little bit and then it started doing the same thing even on his battery. Shrugs.
Huntitude said:
I thought that too. I tried my brothers note 4 battery for awhile and it worked for a little bit and then it started doing the same thing even on his battery. Shrugs.
Click to expand...
Click to collapse
In the COH update iteration there is an annoying bug that affect fingerprint.
The bug causing the phone to restart, lagging & closing all apps randomly when the fingerprint is set.
May be this one is also the same.
Try to disable all fingerprint related settings.
d4rkkn16ht said:
In the COH update iteration there is an annoying bug that affect fingerprint.
The bug causing the phone to restart, lagging & closing all apps randomly when the fingerprint is set.
May be this one is also the same.
Try to disable all fingerprint related settings.
Click to expand...
Click to collapse
I never used finger print scanning on my Note 4. Always disabled.

Unusable phone due to a huge lag

Hey guys,
last week I've started having some serious issues with my phone. I wouldn't say it lags, it freezes for 10 to 15 seconds at a time and then it's smooth and fast again but it does it every minute or so and it also freezes with screen turned off, so I have to remove battery almost every time. First I thought that some app may be doing it so I did factory reset but it didn't help. Even though I was on stock I thought I would try some custom ROM to fix the lag but after flashing... the same story, so I reverted it back to stock. Only solution I've managed to find was to remove simcard and sd card but it didn't work for me either. Any idea how to fix it or do you think, that it's hardware problem? I have SM-N910F with android 6.0.1

Screen Freezing

Hey guys,
Lately I've been having some issues with my note SM-n910F, while using it, it often lags but that's not the main issue. When I turn off the screen it freezes and I can either restart it or wait for about a minute and then it turns on again fine. It happens quite a lot and it's really annoying. I was on stock when it started then flashed it and now revert it back to stock and it keeps happening, could it be HW issue?

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