Originally Posted by chemcup
I have the sony xperia z ultra (firmware 14.1.B.1.532) for 4 days new, the screen some time click by itself continually until I click.
Any idea what can be the problem, is it hardware problem or software?
It's a very sensitive screen, and this'll happen if it's too dirty. Clean it then see. If it still happens, you need warranty repair.
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Sony Xperia Z Ultra C6833
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