K800i problem
 

Hello people I am new at this forum . I hope that someone can help me. I have a problem with my K800i phone .
When i am doing something ( writing message or not doing anything) on my screen pop up a shut down menu and my phone start working uncontrolled and shut down it self. It was on service and they change joy pad but still same problem.
I have try to flash it up but I have a same problem.
What can be a problem?

Hello!I think is hardware problem Friend.
Regards
Haicha

Yes I think too it is a hardware problem but what?