LG G6 glitchy screen, overheat and random reboots - LG G6 Questions and Answers

I have an LG G6 H870 running Oreo, and I've been experiencing a lot of annoying bugs in the last couple of months. Also, and haven't really found anything about this on the internet. Basically, sometimes when watching youtube, the screen gets really glitchy, and things look weird. Unfortunately I don't have any screenshots. I've found that the only solution to this problem is rebooting, but even that can be challenging sometimes when this happens. Then the phone gets really hot, bit after a reboot, the bugs are gone. Also, I've experienced random reboots at times, which is really annoying. These things happen about once every two days. Has anyone else had these problems?
Thanks.

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Random reboots with multitasking

Hi guys,
I've had a super weird issue with my phone for the past few months (although I don't remember exactly when the issue started happening). Basically, my phone randomly reboots when there is a chathead/bubble/etc on the screen. This problem happens when I use Facebook Messenger chatheads, bubbles by LinkBubble, and chatheads by YAATA. I don't think it's a program-specific issue, nor does my phone reboot every time I use those apps. It's very inconsistent and hard to predict.
Have any of you encountered this problem? Any ideas for what is causing it and/or how to fix it? It's really annoying to have my phone randomly reboot itself multiple times each day. I know I could just uninstall the three apps that seem to trigger the reboots, but I really like those apps and want to find a way to keep them around.
Have you over clocked at all?
trader418 said:
Have you over clocked at all?
Click to expand...
Click to collapse
No. The problems initially started when I was on stock, unrooted. I'm now on CM12.1 and rooted, but the random reboots are still happening.

Phone restarting?

It appears that my phone restarts itself when fully charged. It only does it randomly. A few times, I noticed when I picked up the phone after disconnecting it from the charger, I had to enter my SIM PIN, which seem to indicate a restart. However it don't happen every time so I didn't think much of it.
However, today, it was charging next to my keyboard and suddenly, the startup images pop up, which caused me to notice it, confirming a restart. Wondering if anyone else have the same experience?
Its a A2017G, stock B09 firmware.
This used to happen to me but not after charging, it would happen at random mostly during the evening.
One of the apps that I had installed was causing it, after uninstalling it the restarts became less common.
Maybe this is happening in your case too?
Its seemed like the app was conflicting with the Os or maybe another default app.
Hope this helps.

Lock screen freezes

Hello XDA,
This is my very first community post so please don't judge if I do something wrong here
Let's cut to the chase. I am a happy owner of the OP6T 8/256gb phone and I am super happy with the device, however, I have been having an awkward issue. From time to time, couple of times a day, my phone would not recognize neither double tap nor the power button to wake the display up. Usually out of frustration I press the power button couple of more time, but nothing happens. Then after 3-4 seconds the display wakes up and even opens the camera (because I pressed the button couple of times, but not in a fast way...). Afterwards, the phone works without an issue until same thing happens hours later.
So my question is if anyone is experiencing anything similar and found the culprit of it?
If you need any additional info on my settings, please let me know!
It is not the worst thing that could be happening with a new phone, but you know, one expects the brand new phone to work 100% of the time
Looking forward to your replies and ideas!
Many thanks,
Donatas
It's happened to me only recently. I'm rooted with magisk 17.3 running a few modules such as dual speaker, Google dialer framework and viper. I was on stock kernel, but switched to Smurf kernel without any hiccups so far.
Well I am full stock, even with stock launcher... That's why it bothers me that it is happening:/ thanks for your reply
Donis.za said:
Hello XDA,
This is my very first community post so please don't judge if I do something wrong here
Let's cut to the chase. I am a happy owner of the OP6T 8/256gb phone and I am super happy with the device, however, I have been having an awkward issue. From time to time, couple of times a day, my phone would not recognize neither double tap nor the power button to wake the display up. Usually out of frustration I press the power button couple of more time, but nothing happens. Then after 3-4 seconds the display wakes up and even opens the camera (because I pressed the button couple of times, but not in a fast way...). Afterwards, the phone works without an issue until same thing happens hours later.
So my question is if anyone is experiencing anything similar and found the culprit of it?
If you need any additional info on my settings, please let me know!
It is not the worst thing that could be happening with a new phone, but you know, one expects the brand new phone to work 100% of the time
Looking forward to your replies and ideas!
Many thanks,
Donatas
Click to expand...
Click to collapse
Yes this has happened to me, glad to see I'm not alone.
It happeneds randomly, like few times a day, not too frequent to render the device unusable, but enough to be irritating - especially when it's a brand new device.
My setup;
*Rooted
*Magisk (viper & YouTube vanced module)
*Stock kernel
I'm at a loss as to what's the cause of this issue, it's very weird, it could just be an oxygen os bug that will be resolved by OnePlus. Who knows. Hopefully if more people comment about this here - we will eventually get to the bottom of it.
So far on 9.0.6 build the issue appears to have been fixed, I have not had any random temporary lock screen freeze.
Can anyone else confirm this?
krohme said:
So far on 9.0.6 build the issue appears to have been fixed, I have not had any random temporary lock screen freeze.
Can anyone else confirm this?
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Click to collapse
Glad to hear it is fixed for you!
Unfortunately, since the update, I already experienced it 4 times...
Even more so, sometimes now the phone would randomly stop playing music from Soundcloud (I dont know about other apps, i predominantly use Soundcloud).
I love the phone but it is a little shame that some of these features are failing
Hope 1+ will fix this and we all be happy!
Yeah, sometimes my device doesn't respond to double-tap. Usually I just have to double-tap again and it wakes up. I haven't noticed the issue with the power button, but I rarely use that to wake the device. I did have a situation recently where the device wouldn't wake from a screen tap no matter how many times I tried. I can't recall if using the power button woke it or if I had to force a reboot. But that's only happened that one time.
I just updated to 9.0.6 a day ago. I don't think I've experienced any non-wake issues since then. Really haven't been paying that close attention, I guess.
I believe I am having this issue. I just flashed 9.0.7 from TMO and I'm rooted with magisk v4a and vanced. I get random freezes where I can't tap anything on my screen. I have to turn it off and on with the power button.
I experience this as well. I thought it was just an isolated thing, and it's kinda annoying...
It's very irritating. I'm trying to pin point it and so far I notice it with Firefox and Spotify transitions.

Random reboots

Anyone here had experienced random reboots? It constantly happening to me different days, with no reason. I do not know what could be wrong.
mejonoobpoako said:
Anyone here had experienced random reboots? It constantly happening to me different days, with no reason. I do not know what could be wrong.
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Click to collapse
Using this device for 3 weeks and I've been experiencing this since last week. It hasn't happened during the day yet but at night it does. When I wake up my phone is either at the 'unlock sim card' screen when it's connected to my charger or just off and I have to boot it up. The latter is very annoying as my alarm doesnt work then.
I fear it's a hardware (battery or mobo) issue but hope it's a software one as it's happening only during the night so far. I'm in the process of unlocking my bootloader as of an hour ago and hope a clean install / flashing an older version of miui or flashing miui.eu may fix this.
I have low hopes for Banggood customer service where I ordered the phone...
Edit: please do chime in if others have experienced this or have advice on troubleshooting like logging the crashes or smth, I'm a big noob in this regard.
It happens to me randomly. No specific time of the day, but not always, its been getting frequent though. Before its like every 2 to 3 weeks, now i'am having it every week. There are also times that the phone becomes hot, not very but noticeably hot, then it freezes so I have to force reboot it. If someone out there knows whats going on please enlighten us.
mejonoobpoako said:
It happens to me randomly. No specific time of the day, but not always, its been getting frequent though. Before its like every 2 to 3 weeks, now i'am having it every week. There are also times that the phone becomes hot, not very but noticeably hot, then it freezes so I have to force reboot it. If someone out there knows whats going on please enlighten us.
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Click to collapse
Okay it seems I was pretty dumb and had the auto-schedule turned on under Security -> battery -> settings -> schedule on/off. Had it set at turn on at 00:00 and off at 07:15. However, I thought this settings was to turn on and off the battery saver mode lol. I turned the whole thing off and hope I won't find my phone rebooting at night now.
Did you find a solution? It has been happening to me too. When I am playing a game, or doing skype calls, or just randomly, It happened a few times also when I tried to use google photos, it is more and more often.
aguskun said:
Did you find a solution? It has been happening to me too. When I am playing a game, or doing skype calls, or just randomly, It happened a few times also when I tried to use google photos, it is more and more often.
Click to expand...
Click to collapse
Yeah, see my comment above. For me I actually accidentally set it up to reboot. Random reboots often point to a faulty battery, possibly loose connectors.

Weird System Bugs/ Issues Stock

Hi, I have owned a One Plus 6T for a few years now, didn't have many issues, until the last few months. I used to be on Android 10. (something) can't remember and the issues I'm about to describe happened on that version too. I have recently updated to Android 11.1.1.1 and the problems still persisted. And I've run a factory reset a few days ago and that still hasn't solved the issues. My bootloader is unlocked and I am not rooted.
Issues:
1. Phone randomly rebooting (almost like there isn't any RAM but there's over a gig spare) eg Ill be listening to spotify and suddenly phone reboots
2. Extreme System UI delay/lag and screen lag. This is the weird one. Happens at completely random times. Phone will slow down extremely to the point where nothing will be responding. For example if I click the power button to look at the lock screen the screen will just stay black for ages. Apps will not open etc. Can barely even swipe or do anything, it happens multiple times a day too.
I was wondering if anybody knew why this might be occurring, considering I am running a fresh install, unless it comes down to just bad software.

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