Touchscreen buggy - LG G6 Questions and Answers

Just this morning, out of nowhere, I started experiencing random touchscreen jumps and touches. My phone just registers random touches after a few seconds of use before completely disabling the touchscreen. This mostly happens on the bottom left but its random touches. The only way to temporarily fix it is locking and unlocking the device. I tried a soft and several hard resets which fixed the issue for a few minutes but eventually brought back the problem in an hour or two. Is this a hardware or software problem? Should I attempt to install a custom rom to fix it? My model is the US99721E.

Related

Certain area in screen not responsive

Hi.
I'm using the device for a month now and today a weird thing started to happen. There's a certain area in the screen that's just not responsive.
I haven't dropped the phone ever and I'm not rooted. It happened while I was customizing my homescreen with Nova Launcher.
I've tried a factory reset, I have also pushed the power button for 10 sec.. Nothing helped. The first occurrence of this was that my screen was completely unresponsive, I rebooted and then only the certain area was unresponsive.
Thanks in advance.
Best to request a RMA from Google.
The thing is that it worked perfectly until now. Also, sometimes it works for couple of minutes, then it becomes completely unresponsive, and when I lock->unlock then the certain area is unresponsive.
update
You have a faulty device, you are going to have to do a RMA.
Are you using touch control or similar sweep2wake apps with a custom kernel?
If that's the case you should delete it.
How come it hasn't happened until now? I am not using any custom kernel and I have done factory reset so there aren't any apps on the device.
UPDATE: *Sometimes* when I touch the "dead" area and it works, the whole screen becomes unresponsive immediately. What could have happened?

Screen freeze + Ghost touch

I searched for this a lot, and found a lot of people experiencing similar things but not exactly what I happen to have. So here is what happens:
1. first screen freezes and you can't touch anything (icons, nav keys)
2. ghost touches start (as if someone touches screen quickly in lots of places), and this causes apps to start at random, numbers are dialed, random strings of characters are being input, etc.
The only thing I can do is to turn off screen, then turn back on and it will unfreeze the screen, and stop ghost touches for a few moments. It will not stop randomly dialed calls so I often have explaining to do to a lot of people why I have called them. In short it's a nightmare. My phone is practically unusable.
It all started just a week ago. I did a factory reset back to the same custom rom - helped for 2 days, and then problem came back. I wiped everything (including internal memory), and flashed a different custom rom - problem appeared within 10 minutes of starting the phone. Both were 5.1 custom roms. Has anyone had this happen?
I found out it can be either faulty screen or battery, but I have no idea how to determine which. I do not want to try replacing one after the other. Is there a way to figure out the cause of the problem?
I will try to take a video of what happens.

Weird screen jitter/touch ..phone going crazy

Occasionally my phone will just go crazy, screen will get all jittery,touching on a menu doesn't work ,it mainly happens on noughat stock and custom ROMs.,random apps popping up.any experience anything like that?a simple reboot fixes the problem.
russ722 said:
Occasionally my phone will just go crazy, screen will get all jittery,touching on a menu doesn't work ,it mainly happens on noughat stock and custom ROMs.,random apps popping up.any experience anything like that?a simple reboot fixes the problem.
Click to expand...
Click to collapse
It's an inherent issue with some displays present on the Moto G4. It most often happens when you charge your phone. Too much current builds into the frame of the display and you get weird ghost and jitter touches.
No way around it unless you send it in, and even then it may be only a temporary fix.
I also face this issue. Unable to find solid solution for this. Finally i decied to go for custom rom like RR and Invicta. This still comes occasionally(when Heats too much during phone charging)
russ722 said:
Occasionally my phone will just go crazy, screen will get all jittery,touching on a menu doesn't work ,it mainly happens on noughat stock and custom ROMs.,random apps popping up.any experience anything like that?a simple reboot fixes the problem.
Click to expand...
Click to collapse
On my phone this happens while not charging. Seems to happen about one out of every 3 times the phone is unlocked using the fingerprint sensor. Locking the screen and unlocking via a pin seems to be a reliable way of getting past the issue. Though occasionally it happens on the pin entry screen before it the pin has been entered. Needless to say, it IS annoying.
Same problem which is fixed.
I had this problem with the factory firmware too, intermittent bouts of the phone going crazy with phantom touches on my Moto G4. I sent it to Motorola/Lenovo after the supplier gave me their phone number and they did find the problem and fix it. Now I can play graphic intensive games even during fast charge and the phone is awesome for once. : )
Please note they will fix it for free if in warranty and bootloader not yet modified.
Pressing power button to turn off the display and then pressing power button again to turn the display back on will provide temporary relief from jittery screen. I noticed that the jittery screen has twice subsided over time but came back twice immediately after OS upgrade so blaming the problem on charging, or hardware doesn't seem accurate.
Updated 5/20/2018
As a last ditch effort prior to buying a replacement phone I deleted all apps I installed, reset phone and reinstalled fresh copies of most if the apps I needed.
I don't recall every thing I did but my focus was to delete everything I could and then reset phone back to factory state. After reinstalling, my jittery problem went away and has not returned. Your millage may very, so no promises. Phil
. I have touch screen issue(ghost touch) but this time not screen burn issue.. Now there is in winter.. I have checked battery temperature with ex kernel manager. When i go outside in fog or cool weather and when battery temprature goes to less than 20 degree Celsius phone gonna mad..back key home button automatically pressed..Is there any solution? Without going service center And fix battery battery temperature to 25 degree.?
phone going crazy
Hi,
I am having the same exact problem. I have observed that Google Assistant is intruding because each time this happens, Google Assistant is trying to run. Reboot is a temporary fix but the problem persists. I have removed most of the third party apps just to see if anything changes but it did not work.
This is not something that was happening from the start. I have the phone for about 2 months put the problem only started a couple weeks ago. I would love to hear if there is a solution and what. Thanks
Sadly, but compared to the issues visible indoors, in outdoors this Lenovo gift turns complete crap:
youtu.be/dTcHclVEfCg
"Lenovo Moto Z2 Force touchscreen gets completely unusable when getting outdoors! The video is made at about 0 degrees Celsius. So it takes about 30 sec from getting MotoZ2 Frc to sleep with pwr btn (and wakeing up back) to see the touchscreen goes crazy. At -10C, it takes ~5 sec. At +15-20C, after several min it becomes unresponsive and have to use pwr button to recover.
Lenovo, what you have done to Motorola ?!!"
Can it be fixed somehow with changing the upper protective part? I have seen comments that the touchscreen can stop working completely, if peel off the cover part..

Ghost touch issue

It seems my phone has a problem of ghost touch. The status bar slides down automatically and randomly. I turned on developer mode to see what happened, it seems, some coordinates near (320, 0) are clicked very often with no reason at all. It annoys me a lot since it interrupts my normal operation. Did someone has the same problem? And how do you solve it? Thanks
I had the same issue. top right of my screen would think it was being touch when it wasnt.
Yes, my wife's ph-1 has this issue. the ghost touches liked a bunch of Instagram posts, it was hilarious seeing my wife's reaction to this, and then she had to go back and unlike a bunch of crap posts.
But this is an issue and very serious one. I believe this could be also causing battery drain if it interacts with OS and causes deep sleep not to kick in when it should. If the issue happens again I will be contacting support to get this BS sorted out.
I have this issue on the oreo beta although it will keep touching the same spot continuously for about a minute or so and if it happens while the phones locked i cant do anything till it stops luckily its been happening less and less often
I had this happen on one phone but not the others, worse when the phone got hot
i think it's the screen, if you look closely, its not flat. Mine is kinda wavey at the edges, like there's a little too much adhesive, and i think that waviness gets worse when the phone gets hot, and causes the phantom touch
glasscitysd said:
I have this issue on the oreo beta although it will keep touching the same spot continuously for about a minute or so and if it happens while the phones locked i cant do anything till it stops luckily its been happening less and less often
Click to expand...
Click to collapse
It was gone for 3 days and now the problem is back today. I tried to restart in safe mode and problem is still there so it is a system issue, not caused by third party app.
Same issue here. No rhyme or reason I can see as to why
Mine was happening on my old PH-1 without the earpiece screen, but i got the new version i got has no issue.
This issue is very annoying I'm thinking of returning the device to Sprint and getting another but since it happens so random I wouldn't even be able to show them the issue. Thought it was an issue with the oreo beta but after going back to stock I still have the issue starting to regret buying this phone
I've never experienced this issue on mine
Bump. Been happening to me on Oreo beta. About once or twice a day it happens. I just lock and unlock the phone and it stops. It's weird. I think it has something to do with the screen sensitivity. It's more prone to happening when the device screen is all smudgy or if I just washed my hands.
I have the same issue too.
https://www.youtube.com/watch?v=wbHtJLQEU7o
Me too
Same issue here as well. I did the touch sensitivity trick as well and still getting it. Hope its a software issue and not a hardware one.
I haven't encountered ghost touch but encountered slow responding touch issue. Sometimes the touchscreen will respond to my command slower like 3-4 secs after i touch the screen. Every time this issue appears, a restart of my phone will clear it. Very likely software issue. I'm still on nougat, hopefully they fix it on Oreo before it goes out of beta.
My first PH-1 would become touch unresponsive for 30+ seconds all the time (it was fully updated at the time). It seemed to happen more frequently when I was typing on the stock keyboard. I eventually returned it and bought another several weeks later. I've had no issues with the new one-quite happy with it. I'm running the Beta2 update and enjoying it.
boidsonly said:
My first PH-1 would become touch unresponsive for 30+ seconds all the time (it was fully updated at the time). It seemed to happen more frequently when I was typing on the stock keyboard. I eventually returned it and bought another several weeks later. I've had no issues with the new one-quite happy with it. I'm running the Beta2 update and enjoying it.
Click to expand...
Click to collapse
That's good to know. Mine also happened when using the keyboard occasionally as well. I have a replacement set coming as my original set's packaging did not come with the pull tab on the box and there was a fingerprint smudge at the back of the phone when i took the phone out of the box the first time. I presumed mine was a used/returned set, not new as what i had ordered. Hope the new set fixes the issue.
My phone has the same issue whenever I'm charging it and using it at the same time it's registering multiple touches when I'm using just one finger on the screen, it mostly happen when I'm doing a long press action. In developers option I have show taps enable so I'm able to see all ghost touches.
I fixed my ghost touch issue with a simple hard reset.
It will come back sadly

Periodic recurring touchpad problem

I've read about similar problems. For some time, the right side of the phone screen has started responding strangely and imprecisely to touch. It is annoying because it causes huge problems with the use of the phone. The weird thing is that turning the phone off and on briefly fixes the problem for a while but the problem comes back soon. Now I have a Havoc ROM but MIUI the problem was identical. It's something with hardwate or drivers, I think. A temporary shutdown fixes this problem for a short time, so it is not permanent damage. Unfortunately, the phone is over a year old and there is no warranty. Has anyone experienced such symptoms?

Categories

Resources