Random Reboots Nougat - Samsung Galaxy S7 Questions and Answers

I have installed Italian OTA Nougat for about a week with clean install (no root).
The phone have suffered 3 random reboots in 5 days. I can't find the culprit of it. It's bizarre that after every random reboot there is a completely white screen after I insert the sim code and unlock the phone. I must press home button in order for the phone to be usable again and go to home screen.
I guess that the obvious answer is factory reset it again, but i really don't have the time to set it up again from scratch. Any ideas or suggestions? It's there a log of the phone that I can use to find the culprit? Thank you for your time

Block this app causes the issue with the white screen. I have uninstalled it and i how Random reboots stop too.

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Random screen crashes, freezes, glitches

Hello! I have a stock Android Lollipop 5.0.1 Nexus 5 and for the past week or so I have been experiencing a weird issue.
The device randomly crashes. By "crashes" I mean the screen goes black, but the backlight is still on (it's a lighted black). I can push the power button and it will turn completely black (locked) and if I push it once more it turns lighted black again.
To get the device back into usable state I have to keep the power button pressed until the phone resets. Sometimes I keep it pushed for a full minute and nothing happens, sometimes 10 seconds are enough. Sometimes it will go through the "Google" logo and then stay in the lighted black state until I finally manage to reboot it again. Sometimes it crashes again right after it boots up.
It's weird because a lot of the times it's ok throughout the day and then when I go out in the evening, I take it out of the pocket and I see it crashed. Sometimes it crashes while I actually use it.
Last night it started doing something else: instead of lighted black, the screen is filled with static noise. It doesn't move or anything, it's a still image. Today, when a crash like that occurred, the screen glitched first (random lines on the screen, some parts got moved, really weird). I will get some photos if it happens again.
The problem is that I can't identify what's causing it. There is no particular app or action that I do / use that triggers this. It also doesn't seem to be movement-based, as it sometimes happens while it's sitting still on a table.
I updated to 5.0.1 about a day before this started happening, but I'm still not sure if it's software or hardware-based.
I tried a factory reset and booting into safe mode, none of these helped. I will only consider flashing a custom ROM as a final resort, because I'm not sure if it voids the warranty.
PS: the device is still under warranty, but I'm away for the holidays and will be until the beginning of the next year. And I'd like to have a usable device, especially while I'll be on the road.
Smith_S9 said:
Hello! I have a stock Android Lollipop 5.0.1 Nexus 5 and for the past week or so I have been experiencing a weird issue.
The device randomly crashes. By "crashes" I mean the screen goes black, but the backlight is still on (it's a lighted black). I can push the power button and it will turn completely black (locked) and if I push it once more it turns lighted black again.
To get the device back into usable state I have to keep the power button pressed until the phone resets. Sometimes I keep it pushed for a full minute and nothing happens, sometimes 10 seconds are enough. Sometimes it will go through the "Google" logo and then stay in the lighted black state until I finally manage to reboot it again. Sometimes it crashes again right after it boots up.
It's weird because a lot of the times it's ok throughout the day and then when I go out in the evening, I take it out of the pocket and I see it crashed. Sometimes it crashes while I actually use it.
Last night it started doing something else: instead of lighted black, the screen is filled with static noise. It doesn't move or anything, it's a still image. Today, when a crash like that occurred, the screen glitched first (random lines on the screen, some parts got moved, really weird). I will get some photos if it happens again.
The problem is that I can't identify what's causing it. There is no particular app or action that I do / use that triggers this. It also doesn't seem to be movement-based, as it sometimes happens while it's sitting still on a table.
I updated to 5.0.1 about a day before this started happening, but I'm still not sure if it's software or hardware-based.
I tried a factory reset and booting into safe mode, none of these helped. I will only consider flashing a custom ROM as a final resort, because I'm not sure if it voids the warranty.
PS: the device is still under warranty, but I'm away for the holidays and will be until the beginning of the next year. And I'd like to have a usable device, especially while I'll be on the road.
Click to expand...
Click to collapse
I have none of your issues, try booting the device in safe mode and see if the problems still occure. It must be a or multiple downloaded apps that are causing your issues. Or try a data factory reset and restore/download your apps one by one amd try to identify the culpritt.
gee2012 said:
I have none of your issues, try booting the device in safe mode and see if the problems still occure. It must be a or multiple downloaded apps that are causing your issues. Or try a data factory reset and restore/download your apps one by one amd try to identify the culpritt.
Click to expand...
Click to collapse
I said in the post that I tried both of those things. The crash occurred seconds after booting in safe mode and factory reset did not help either.
Smith_S9 said:
I said in the post that I tried both of those things. The crash occurred seconds after booting in safe mode and factory reset did not help either.
Click to expand...
Click to collapse
Flashing the 5.0.1 factory image in fastboot should fix your issues. Or try flashing system.img first, maybe thats enough.
Same issues with my Nexus 5
gee2012 said:
Flashing the 5.0.1 factory image in fastboot should fix your issues. Or try flashing system.img first, maybe thats enough.
Click to expand...
Click to collapse
I am experiencing SAME exactly issues in my N5 with 5.01 and 5.1 . EXACTLY... you are not alone
Seems a software problem (third party app ?) , started in 5.01 and now is in 5.1 , of course system and boot images where flashed with fastboot, so no solution using
Stock, Rooted, using Nova Launcher - Smartwatch 2 - Google Cardboard - Chromecast and many apps.
But started ..if memory helps .. after installing Cardboard 3D apps.
reimer1 said:
I am experiencing SAME exactly issues in my N5 with 5.01 and 5.1 . EXACTLY... you are not alone
Seems a software problem (third party app ?) , started in 5.01 and now is in 5.1 , of course system and boot images where flashed with fastboot, so no solution using
Stock, Rooted, using Nova Launcher - Smartwatch 2 - Google Cardboard - Chromecast and many apps.
But started ..if memory helps .. after installing Cardboard 3D apps.
Click to expand...
Click to collapse
My phone had an issue with the screen. I went to the LG service and they replaced the screen entirely, so that's that.
again and again...
i'm in the same case... I don't have any clues or solutions, i'm just wainting like a dumb... I don't know what to do, i always have to make the thing with the power button and the lower sound button to make it show the boot screen, but it glitch after few seconds... PLS HALP

Long delay unlocked after PIN entered

Anyone else have this issue? Enter PIN and press "OK" then phone takes 5 seconds or more to unlock, just delays doing nothing for 5 seconds or more. Sometimes 10sec and sometimes screen just goes back to sleep
*More: reloaded factory F/W, no lag, nothing. Then load TWRP and SU/Root, no-encrypt file. Lag. Big time. Something around the rooting...
I guess it's caused by super su..i have facing this problem before. So i change rooting method with magisk & the problem is gone.
I have magisk and still face this problem...
Same problem using su

Random Restarts After Rooting

A week ago I rooted my note 20 ultra. Everything works really well. The only problem I have is the random restarts. Sometimes when I use my fingerprint unlock the phone just crashes into the boot screen and then boots back up to the home screen. Whenever the prompt comes back up to put in my pin, I put it in and the phone crashes again. This happens a few more times until it stops occurring and I am able to log in perfectly. I believe that the issue could be occurring due to a lack of memory, but I would like some second opinions. What do you guys think?

Pixel 2 XL starts, unlocks, then reboots

My Pixel 2 XL has an issue where the phone will boot and sometimes reboot randomly during the boot process. Other times, it successfully boots. When it does, all is well as long as the phone remains locked. Once the phone is unlocked however, it freezes after a few seconds and the reboots. When the phone finally unlocks without a reboot (seemingly random), it has no further restart issues and is good as long as it remains on (often weeks at a time).
I suspected it was an app causing the problem and tried booting into safe mode, but with the same result. Perhaps something that runs at startup is triggering the issue? The phone is quite old now and it has been dropped a fair number of times, perhaps it is a hardware problem, but it seems strange that the phone is fine as long as it can make it past whatever is happening at startup.
There are two things that I can visibly see happening at startup. The google assistant icon appears in the notification bar, followed by the voicemail icon.
Any ideas on this?

INFINIX Hot10 Play Keeps Rebooting after Starting Up from a restart

I need some help. For some reason, Whenever I Restart my phone, Either Manually or Letting it automatically do it, My phone keep restarting. It boots up, goes to the Lockscreen, I enter my pin and after 10 to 15 seconds, or just after Syncing Contacts, Goes back to the bootup screen, then back to the Lockscreen. It keeps doing this, and the only (temporary) fix I can do is Factory Resetting the phone within the 10 to 15 seconds I have, And starting over fresh.
It gets worse as, like I said, it's temporary. After I get back my stuff and everything, if I ever restart or even turn off my phone then back on again, it just does it all again. What can I do to fix this permanently? And what caused it?
2 things could be at fault here :
1. A faulty power button. Go to a server and check if you power button is faulty. Perhaps it gets stuck and its the one to blame for the entire problem.
2. A faulty ROM. Either flash the previous version of the Rom, update your rom to the latest or flash a custom rom.
JohnnyCross1991 said:
I need some help. For some reason, Whenever I Restart my phone, Either Manually or Letting it automatically do it, My phone keep restarting. It boots up, goes to the Lockscreen, I enter my pin and after 10 to 15 seconds, or just after Syncing Contacts, Goes back to the bootup screen, then back to the Lockscreen. It keeps doing this, and the only (temporary) fix I can do is Factory Resetting the phone within the 10 to 15 seconds I have, And starting over fresh.
It gets worse as, like I said, it's temporary. After I get back my stuff and everything, if I ever restart or even turn off my phone then back on again, it just does it all again. What can I do to fix this permanently? And what caused it?
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Click to collapse
hello friend
I have the same problem. I've already reset to factory defaults but it's still giving the same error. I've already tried disabling the XOS Launcher and nothing either.
If you manage to fix this issue, post it here.
Try to remove your memory card before reboot.

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