Lg g8x: screen wont stop turning on and off - LG G8X ThinQ Questions & Answers

I applied a theme on the device and now the screen just turns on and off every few seconds. I am not even able to unlock the device. Is there a way to resolve this issue without a hard reset?
Please someone help me.
This is the video of the device.
https://drive.google.com/file/d/1DbWs6QZt5puNhosV5sxfypPQ7MWW57YO/view?usp=sharing

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Screen turning black and won't respond

after exchanging my phone due to the reboot problem, im encountering a new problem
my screen sometimes turns on by itself, and if i try to operate it at that point, the screen will turn black and nothing is functional except for the soft buttons and the pull down menu, only restart will solve this
sometimes it will also just crash to black even without the screen turning on by itself scenario
does anyone have the same issue? i suspect this is a software problem
I just got the z5 last night, and experienced the same problem this morning. Turns out that if you give the power button a 'double click', the screen comes back on. So this solves the problem reported above.
HOWEVER, there must be a setting (I hope) which we can change, I find it very irritating that as soon as I make a call, the screen goes blank, and you have to double-click the power button to see what is happening. If anyone knows about such a setting, please let us know!
My screen went black about an hour ago.
After Hotspotting for 40ish minutes so I could use my iPhone on the way to work on the train, I tried to check this forum with my Z5C, the back of it was really hot & after a few minutes, the screen went black & the phone was unresponsive for around 20 seconds & then basically unusable once it came back on, for another 20ish seconds, due to lag.
meganeet said:
after exchanging my phone due to the reboot problem, im encountering a new problem
my screen sometimes turns on by itself, and if i try to operate it at that point, the screen will turn black and nothing is functional except for the soft buttons and the pull down menu, only restart will solve this
sometimes it will also just crash to black even without the screen turning on by itself scenario
does anyone have the same issue? i suspect this is a software problem
Click to expand...
Click to collapse
Did you ever find a resolution for this? it is driving me crazy, I've tried factory resets, software repairs via the Sony Companion and this still occurs, sometimes it won't happen for a week then sometimes it happens multiple times in a row even straight after a reboot. The fix that RohitMayor describes does not work on my device. This phone is really terrible compared to the Z3 Compact
I have the same issue. This pb occurs since i have update my phone to 6.0.1...
Any solution ?

LG Optimus Dynamic. It keeps cycling through the blue screen of death.

I can't get my phone to reboot. It keeps cycling through the blue TracPhone start up screen. I've read through posts on how to start it up into safe mode, and I've tried these methods and nothing is working. I need some help as I can not afford to get a phone card for my other phone( it's WiFi powered at the moment, lol) and I need the LG to function to keep in contact. An error window kept popping up before this started and I tried resetting the phone, only to get the blue screen of death. I'd there anyone that could please help me?

Touch input randomly locks up

I own an LG K7, and every so often, the screen will lock up. Its not that the phone freezes, its just that the touch input just stops working. I could be watching a video, and the video will still play, I just wont be able to touch anything on the screen. The only fix, however temporary, is turning the display off and then back on. I have tried factory resetting, I have tried clearing my cache, etc. I can't seem to find a permanent fix. Could someone help me?
Squallxs said:
I own an LG K7, and every so often, the screen will lock up. Its not that the phone freezes, its just that the touch input just stops working. I could be watching a video, and the video will still play, I just wont be able to touch anything on the screen. The only fix, however temporary, is turning the display off and then back on. I have tried factory resetting, I have tried clearing my cache, etc. I can't seem to find a permanent fix. Could someone help me?
Click to expand...
Click to collapse
I have de same problem... this happens when you have high brightness and you decrease it a lot...

Screen not responding to touch

Hey guys,
So im experiencing something very weird. My phone randomly stop responding to touch. I cannot unlock the phone, I tried safe mode and now phones in airplane mode. Cant factory reset as it requires me to type "yes" on the screen. I don't have a way to connect a mouse to a USB c port atm. Also when it boots, the huawei logo isnt centered(the fancy blinking one, the normal initial white one with the android logo underneath is fine) and the fingerprint scanner logo is way bellow where it usually is. Any suggestions on what to do? I cant send it to service center as there are none in the country I am in right now. Is there a way to use my pc to somehow emulate a mouse on my phone? Any methods of force factory reset? Looking for anything that might work people!
Thanks, hope to hear from some of you guys soon.

Mate 20 Pro Screen Connectivity Issue

Hey,
A few days back my device just stopped functioning correctly. At first I thought a restart would fix it, I wished i didnt restart as now i cant even use face unlock to unlock the phone. The screen works, but does not register any touch. The resolution seems wrong also. I can't factory reset as it requires me to type yes but i cannot use the screen. Any advice?
Please have a look at the video attached.https://youtu.be/eNGIBxalzX8
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