Screen turns itself on randomly - Huawei Mate 9 Questions & Answers

My Mate 9 is not even 1 year old yet and the screen turns itself on randomly every few seconds, which causes battery to drain faster.
What do you think?

It's an app or a faulty power button. Backup your data, reset the phone, DON'T INSTALL ANY APPS and see if it continues. If it does, send it in for repairs. If it doesn't, reinstall your apps one by one until you find the culprit.

Ive noticed it happens after I take the phone out of the charger. I take it out of the charger, and then the screen turns itself on and off every few seconds for a while. After a while it stops until I take it out of the charger again. I havent installed any new app before it started so I doubt its an app issue

Related

[Q] S3 keeps turning off on its own?

I'll admit, it's well-used and has been going for a long time, although it shouldn't be at the point where it malfunctions. One day my phone suddenly turned off while I was scrolling through my apps, and since that it shuts off every five to thirty minutes. (Note: It NEVER shuts down on standby, only in applications). I'm not running any custom rom and I'm not rooted, and I'm 99% sure this is a hardware issue. Help? Thanks! After a full charge it'll run for about 20 minutes, then when I turn it on 10 minutes, etc.... (I've callibrated battery)
elite_newb said:
I'll admit, it's well-used and has been going for a long time, although it shouldn't be at the point where it malfunctions. One day my phone suddenly turned off while I was scrolling through my apps, and since that it shuts off every five to thirty minutes. (Note: It NEVER shuts down on standby, only in applications). I'm not running any custom rom and I'm not rooted, and I'm 99% sure this is a hardware issue. Help? Thanks! After a full charge it'll run for about 20 minutes, then when I turn it on 10 minutes, etc.... (I've callibrated battery)
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this is a weird problem, does it get hot at all? you said you calibrated the battery, is that some samsung offical app crap? might be the battery even if you say it turns off on applications. its a possibility that its the power button as well, the t989 (galaxys2) and t999 (galaxy s3, both tmobile) had power button issues, its not too likely that you would have this problem, i own 3 t999s and 1 out of the three has this issue and i resolved it by either cleaning it or wiggling the power button back and forth a billion times, if you would like to try the risk, clean out the power button, shouldn't be too much trouble.

Nexus 5 suddenly shutdowns cold on its own

I had the Nexus 5 since launch and its been working fantastically well until it suddenly shuts down by it self in the last couple of days now
As soon i start the camera app, snapchat, watch you tube or listen music (with screen off). The phone goes blank, shuts down and refuses to boot back unless i plug in the mains usb cable which is absurd as the battery was around 60% and clearly there was enough power left. Strangely the phone forgets all my saved wifi passwords and have to connect manually each time the phone shuts down.
I have tried all assortment of troubleshooting methods such as upgrading and downgrading from KitKat to Lollipop , cleared the cache and running though safe mode and calibrating the battery but the problem stills persists
I did replace the screen back in November 2014 and it was work fine until this week.
I have opened the back casing and checked for anything that might be loose but i cant see anything wrong with the components.
I believe the battery is failing and want to know if i can resolve it from any other methods i haven't tried yet. I will be ordering new battery for nexus 5 and see if it solves the problem.
You might have punctured the battery when removing it when replacing the screen

[Q] Nexus 5 Multiple Problems

I've been using my Nexus 5 for about 5 months now. Recently my phone have been having this "ghost touch" issue. My phone have a cracked screen so maybe that's the problem but I'm not entirely sure. Sometimes the touch screen doesn't work, sometimes it just presses at a spot repeatedly. The second problem is my phone sometimes dies at 80-70% battery if I play a game, use camera, or stream video. When it dies I can't turn it back on as it will die again while rebooting. It can only be turned back on by plugging it to a charger. Third is, when my phone dies or I shut it off, sometimes it will go to the "Android is starting. Optimizing app x of 152.". As I was typing this question, my phone rapidly pressed the recent screen button multiple times. Help is needed as I can't afford a new phone. The battery problem is really getting under my skin as I love to take pictures but I cant really do that properly with my phone connected to a powerbank.
Sounds like a shot battery

Moto G 4G freezing randomly, requires reset to power on (long/detailed post inside)

so yeah, my phone just freezes randomly at different time.
I believe it's freezing and then it just drains the power.
When I turn it back on, there's a gap in the battery life. Unfortunately, this time it must have happened really early and the battery drained to 0 and now it doesn't even power on.
This includes power + vol down with and without charger on for at least 1 or 2 mins, nothing happens. The notification light turns on when you plug it in.
I believe I do need to open it and unplug the battery then plug in the power, but I can't test it out because I don't have T5 torx around so it may take a while.
Anyways, I am not definitive on the freezing, it's just most likely scenario since phone becomes unresponsive randomly.
When it happens, plugging in power, power button, plug to usb/data does nothing. Phoning the cellphone gets user not in service. And powering back on I see the battery is drained.
This started happening like around a month and a half ago, I was using SaberRom. The rom was very stable until it this started happening.
I thought there was a bug in the Rom or something, so I made the jump to CM12. However it still continues to happen.
My only guess why this may be happening, software wise now, through the process of elimination is maybe Xposed might be doing something.
If it's not, then it could be a hardware problem, which doesnt make much sense to me since the phone is stable when I actually use it.
The freezing problem never happens while I use it, it usually happens over night or not in use in my pocket.
I started using logcat to try to keep a record, but I only have 1 record, plus 1 the most current one which I dont know if it even recorded properly since I can't turn phone on.
I personally would do a full wipe and flash stock ROM and kernel without Xposed. Until you do that you really are just shooting blind. Find out if the problem goes away and go from there.
n0ts0smart said:
I personally would do a full wipe and flash stock ROM and kernel without Xposed. Until you do that you really are just shooting blind. Find out if the problem goes away and go from there.
Click to expand...
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+100000²
outlook not so good
so i tried doing this
where you plug in the phone directly to power without the battery
for me, only the notification light turns on, the screen doesnt turn on

Do you think this is a hardware problem or software problem?

I have a HTC 10 (new old stock) that I have been using for 2 months, on stock Oreo.
Everything was fine until last week when suddenly in the middle of reading an email the screen froze, a few seconds later the screen went black and would not boot up. Nothing at all, not even with a hard reset VOL DOWN + POWER or VOL UP + VOL DOWN + POWER. Tried holding it for A LONG TIME like 5 minutes, no luck. The phone had a hard brick and that's it.
Occasionally, after a few hours, I would try to reset it just for the hack of it. Or connect it to a charger (no charging light) Eventually after about 20 hours, it booted up again after I held all three buttons for a few seconds. Then it worked like nothing has happened.
It kept running for several hours, I charged it up to 100%, ran down to about 80%, then the screen froze again and died. Same thing happened, won't boot up at all. But if I wait another day or so, kept trying, it will boot up again.
I know the HTC 10 is known for it's horrible battery drain issue, and I have experienced that myself with another HTC 10, this is not it. The battery is running fine on this one. This is something else.
After doing this for a few iterations, I was able to figure out a pattern.
When the screen froze and the phone dies, it will not boot up no matter what you do. But for some reason something is still going on as the battery is still being consumed, a day or so later, when the battery is completed depleted down to 0%, and as soon as it hits 0%, whatever causes it to not boot unlocks and allow it to boot again, as long as you have it on the charger, the charging light will come up at that time, and as soon as it gets a little bit of juice, it will boot up again normally. Except when it does boot up, the date is reset to December 31, 1969 7PM.
After testing this for two more iterations, I am reasonably sure this is what's going on. Then I did a factory reset.
Once it's factory reset, I did nothing except turned on WIFI and didn't do any further setup except surf the internet a bit on WIFI, and about 10 hours later, it died again. Now I know, if I leave it alone for 20 hours, then plug it in for a few minutes, it will boot up again.
So here are my questions.
(1) The phone appears to have bricked during the 20 hours that is was totally non-responsive. What is happening that's consuming the battery?
(2) Does this seem like a hardware issue or software issue?

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