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After a time of using Android apps (eg Firefox, DB Navigator, Whstsapp), my XA2 does not recognice the touchscreen in the middle part any more. When I restart the phone it works again, at least for a short time. Other apps like OSMand or Here Maps also have touch screen problems when I try to move the map with one finger. With two finger it sometimes works, sometimes not. Any idea whats the problem or how I can find out? Or does.anybody else has the same problem ?

After a time of using Android apps (eg Firefox, DB Navigator, Whstsapp), my XA2 does not recognice the touchscreen in the middle part any more. When I restart the phone it works again, at least for a short time. Other apps like OSMand or Here Maps also have touch screen problems when I try to move the map with one finger. The screen reacts like I want to clickon eg a certain street and not like I want to move the map. Maybe it is about a time lag which would be needed in the android touch screen programming to recognize if the touch continues with a.movement of the finger ? With two finger it sometimes works, sometimes not. Any idea whats the problem or how I can find out? Or does.anybody else has the same problem ?