October 3rd, 2011, 02:08 PM
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#2 (permalink)
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Join Date: Oct 2011
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If you dial *#0*# the phone will display a screen with various tests, one of them a touch screen test. Going through the tests and checking your results might reveal a hardware problem.
Another obvious thing to check out when your phone acts weird would be to look at the running applications and try to kill them off one by one, maybe you'll find the culprit.
Other than that, there is the generic recommendation - update your firmware to the most recent one (september - KI3), though this might or might not void your warranty - not quite sure on this one, maybe someone else can chime in and enlighten us.
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