Yesterday my "Nokia 5800 XM" crashed (freezed) and restarted, after this I got a very disturbing problem.The display started to lagging (with delay), I allready tried the "soft-reset & hard-reset", but not working.

PS: I never dropped the phone and I never got problems like this (firmware re-installed)!!

Here is a video what shows the display problem :
(PS: The video is not mine, but I have the same problem).

See More: Nokia 5800 XM - Display Problem !!