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[Fix] multi touch/ghost touch issue

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By okaraosp29, Member on 2nd September 2018, 05:36 PM
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Those who don't know there are some people having ghost touch issues on POCO f1 and one guy able to capture it on the video. I personally didn't had the issue but after trying I was able to recreate the issue on my device. soon after I found the cause and able to fix the issue. this may or may not work on your device but absolutely worked for me. this seems to be a software bug. and no-one needs to panic. hopefully it will be fixed in next update.

how to recreate the issue?

Steps
1. download a multi touch tester app I used this
2. first do some testing yourself see if you can spot the issue
3. now do 3 finger swipe down (phone will take screenshot)
4. now randomly touch your screen with 1 or 2 fingers you'll notice 1 or 2 ghost touches.

How to fix Fix it?

Steps
1. go to settings>additional settings>button and gesture shortcuts>take a screenshot
2. and set it to none.
3. reboot

that's it!
the issue should be fixed


please let me know whether this worked for you or not
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2nd September 2018, 06:48 PM |#2  
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Yes.
As you mentioned issue was there.
But fixed with those steps.
2nd September 2018, 08:31 PM |#3  
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Quote:
Originally Posted by okaraosp29

Those who don't know there are some people having ghost touch issues on POCO f1 and one guy able to capture it on the video. I personally didn't had the issue but after trying I was able to recreate the issue on my device. soon after I found the cause and able to fix the issue. this may or may not work on your device but absolutely worked for me. this seems to be a software bug. and no-one needs to panic. hopefully it will be fixed in next update.

how to recreate the issue?

Steps
1. download a multi touch tester app I used this
2. first do some testing yourself see if you can spot the issue
3. now do 3 finger swipe down (phone will take screenshot)
4. now randomly touch your screen with 1 or 2 fingers you'll notice 1 or 2 ghost touches.

How to fix Fix it?

Steps
1. go to settings>additional settings>button and gesture shortcuts>take a screenshot
2. and set it to none.
3. reboot

that's it!
the issue should be fixed


please let me know whether this worked for you or not

Good stuff. I was skeptical at first since I knew something was off sometimes. Thanks for confirming it. Should be fixed if they took notice of this bug.
2nd September 2018, 08:49 PM |#4  
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Thanks! The issue is 100% reproducible with the app. By turning off 3 finger screenshot shortcut, the issue goes away.
3rd September 2018, 03:08 AM |#5  
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Guys, please file a bug, so this can be fixed and we can go back to using this feature.
3rd September 2018, 06:47 AM |#6  
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1.Yes, that issue is due to the screenshot feature, but shouldn't the phone be able to distinguish between 3 finger touch and more than 3? Either take screenshot on four finger swipe or register it.

2.Can you please confirm if there is accuracy problem in PUBG aiming when you use multitouch? Like the multitouch bugs in Pixel and Zenfone Max Pro but quite subtle, the thing about the other devices are, they look and have been acknowledged by the respective companies regarding the issue but in our case, Xiaomi or Poco is making no announcement or anything.
https://www.youtube.com/watch?v=e5K2N6McC_s
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3rd September 2018, 08:02 AM |#7  
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The issue comes up after taking a 3 finger screenshot, but disabling may not be the only solution as this feature is quite useful also

What I have noticed is that after taking screenshot ghost touch is there till we use 1,2 or 3 fingers. Once we use 4, 5 or higher fingers the issue goes away.
Isn't it better to just touch screen with 4 fingers after taking a screenshot which somehow resets the ghost touch issue.
Have tried this solution with multi touch tester app
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3rd September 2018, 04:46 PM |#8  
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Mine is just fine even when 3 finger swipe screenshot is switched on
3rd September 2018, 05:49 PM |#9  
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I can confirm that ghost touch issue still persist even when disabling three finger screenshot.
Mostly visible in pubg.
4th September 2018, 05:23 AM |#11  
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I didn't relize the issue but nice posting
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