Ghost touch issues- fixed on September 2018 update - Xiaomi Mi A1 Questions & Answers

Just wanted to update that on August 2018 I had accidental touches, ghost touches and so on.
for example, Youtube minimizes, chrome refreshes a page, suddenly screen opens and so on.
When updated the September update - it seems that they solved the issues (even though they didn't state it)
hopes that it helps for others.
BR<

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December UK update - screen corruption ?

I had a small OTA update on Christmas Day ( 12MB ) which I installed ( the Security Patch level went to December 1st, possibly build g935fxxu1bplb ? ) - however afterwards I started to get complete screen corruption ( grey digital snow) when waking the phone back up after it had been left for 30 minutes. Once the screen was corrupted you had to power the phone down and it would eventually reboot OK.
I did a factory wipe and reset in the hope that would fix the screen corruption it but the same thing happened then even with no apps or other software installed.
After the factory reset It then progressed to corruption of the screen all the time to the point where the screen is black and 'off' and doesn't work at all now.
Anyone else having any problems with the Dec 1st Security update similar to this?
Was this a carrier update? Which?
It's unlocked so update should not have been carrier specific and nothing appeared different afterwards other than the increasingly frequent screen corruption. Currently used with 3 UK.
I also installed the 12Mb update a few days ago (unlocked AT) and since then I had 1 issue yesterday during the night:
Phone randomly rebooted and while doing so I had some kind of gray bar at the top of the screen.
Now all is working fine again, let's see...
No updates here, I'm on UK unbranded, still on November security patch...
I updated my (unlocked) handset this morning. No issues so far, but will report back here if there are any.
G935FXXS1BPLD / G935FTEF1BPK1 / G935FXXU1BPJG
Ok dropped phone off with a Samsung Service Centre to take a look today - having seen pictures of the corrupted screen they are expecting to have to swap the main system board as it no longer powers up.
Got this update too yesterday but via the Samsung Windows application. Not noticed any issues to date.
Just to update - have got my phone back from the Cambridge Samsung Service Centre, no details on the fix with the packaging but I assume as it was a new system board as that was what was discussed when I dropped it off.
Setting the phone back up - having installed the apps, it has just re-applied the 12MB December update .... but I've just seen a corrupted screen ( Rotating portrait -> Landscape ).
It didn't crash the phone but the fact I've seen it again is worrying. Going to be speaking the the SSC tomorrow about this - and confirm if the repair was a new mainboard, or if they've just reflashed the original one.

Ghost Touch

Recently I noticed that a ghost touch appears in the center of my mobile screen. Even though I touch at the Top or Bottom of the screen, the center part of the screen is highlighted (sample video attached) https://drive.google.com/file/d/14O_LcH3itdJUpCfNCQB0ISSteSFcVChc/view?usp=drivesdk
What is the issue?
Same issue
Its been 2 months since i experience this issue. After the September update i guess.
Issue resolved.
The reason was due to 'Apowermirror' app which I had installed in my phone. It's a mobile to pc mirroring app. Uninstalled it, restarted the phone and the issue was solved. Probably bugs in the app.

Random Ghost touches

There was a time that I had an issue regarding ghost touches.
This happened (or it happens only) when i ride the bus and it is bumpy. Then suddenly while using it, i will register ghost touches and some random selection like i had controller it. And randomly tap on my screen. I have no extra phone that time and i was unable to record it but hopefully it makes sense.
These happened last january. I restored my phone in factory. Installed apps only on google play store hoping that the reason why it malfunctioned waa because i like to sideload apps and modify apps on my own. The next week i rode the bus it still persisted. Restarted my phone and boom. Its gone for a few months.
Fast forward to march i experienced it once more after 3 updates and i was hoping it will be gone since the latest software update clearly indicated that touch problem was already solved/addressed. I was riding the bus and it was bumpy and again... It registered ghost touches again..
I immediately went home and grabbed my other phone to document what happens but it cant replicate the error again. But since iam prepared. I rode the bus everyday to replicate it and document it. But it does t seem to be the case anymore.
I want to know if someone had the same experience where it registers ghost touches on bumpy roads. Iam documenting it in case someone reads it and had the same case as mine.
I did everything and i hope this is just a software problem.
What do you guys think? Is it software related or hardware related? Some poor optimization of the software with the sensors of the phone that thinks touches has been made if it is on that situation?
I had this problem but it was somewhat different. I would get random touches only when using the reddit app and while typing with swiftkey. The quick settings menu would keep dropping down from the top of the screen as if someone was constantly swiping down. It would get so bad that I had to lock and unlock my screen to fix it. It didn't matter if I was traveling or sitting still. This problem has gone away since the last asus software update.
fluster84 said:
I had this problem but it was somewhat different. I would get random touches only when using the reddit app and while typing with swiftkey. The quick settings menu would keep dropping down from the top of the screen as if someone was constantly swiping down. It would get so bad that I had to lock and unlock my screen to fix it. It didn't matter if I was traveling or sitting still. This problem has gone away since the last asus software update.
Click to expand...
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Ah! Thank you for your inputs!
I was trying to replicate it if i could. But hopefully mine would get fixed too. Mine was on the latest update and hopefully it isnt a hardware problem.
Ghost touch i'm facing is 2 randomly tap on notification area while using the phone...

Latest firmware Android 11 Feb 2021 update. Screen freezes

Hi After updating my phone to Android 11, UI3.
last week I did the update and now I have had 3 screen freezes. turns on, volume responds, long press power ok, but it just doesn't respond to touch.
hard reboot fixes it.
it happens with lockscreen and without lockscreen (last app used). anyone had this issue.?
Regardless of software issue or hardware, this is not acceptable samsung
no root, no nothing here.

CPH1919_11_F.45

Just receive CPH1919_11_F.45
Only september security update
F.45 Available on unlocked Australian models.
Not available yet for the Netherlands...
Any bug fixes in this release? Hopefully the very annoying bug in Desktop Mode which happens with apps in fullscreen: if the cursor reaches the bottom of the screen a few times, the phone reboots immediately......

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