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2016-11-08 03:03 AM - edited 2016-11-08 04:50 AM
My Xperia XA has a problem with multitouch. I tested my device with some apps from Play Store like MultiTouch Tester and it only accepts 4 fingers, I think it's supposed to be 10 fingers multitouch but it's not. It also is acting erratically with the touchscreen especially when using multitouch on home screen. Then it freezes the screen or sometimes just the notification bar works and no response to touching on other areas.
I don't use any cover and screen protector and also did software repair with Xperia Companion and it didn't help. My device is updated with 33.2.B.3.81 and no other update is available for me. The model is F3116
2016-11-08 04:42 AM - edited 2016-11-08 04:51 AM
Just after facing with that touching problem I used Multitouch Tester to see what's wrong with it and one thing that I noticed was when I touched the screen it showed me 2 that means somewhere else has already been touched and that is the problem but it doesn't show where.
2016-11-08 09:19 AM
2016-11-08 09:38 AM - edited 2016-11-08 09:40 AM
I don't have any screen protector or cover, I did factory reset and also repair with Xperia Companion. xperia diagnostics shows nothing and touch screen works %99 of time but randomly it happens. Also did safe mode and it happened again.
Could you tell me if yours just accept 4 fingers or 10? I used two apps ( YAMTT, MultiTouch Tester)
I appreciate it my friend.
2016-11-08 10:40 AM
Ok so at least I know that 4 fingers multitouch is not a problem. Hope to get rid of that ghost touching as well.
2016-11-08 11:01 AM
oh yeah, it only supports 4 fingers only, but if with 1 finger registering 2 , can you test if it still detects 4 fingers?
2016-11-10 09:38 AM
totally touch of XA dual is bad on horizontal surfaces like when device is on desk especially on top of screen of the device and its annoying so much , I hope its not cause of hardware and will solve in future updates
2016-11-20 01:29 PM
Got the same problem, i've already send my phone to sony but they did'nt found any problem
The ghost touch is always in the same area : top right of the screen, just in the corner
Did you found any solutions?