Touchscreen not working properly

[HossamK]

My Xperia Z3+ is not working properly
The touchscreen works at random on its own and most of times won't work especially on the corner ends both bottom and up...
Plus when I try to slide the it doesn't work either.
Continues even after removing all the covers and cleaning and so on..
Help!!

[Hampus]

Hi,

Have you tried the touchscreen via Settings > About phone > Diagnostic > Touchscreen? If you have removed all covers and made sure that the display is clean, you can always try to boot the phone into safe mode to see if you experience the same behaviour. Otherwise, I suggest that you perform a software repair using PC Companion to see if this can help.