8250 hanged

I got a 8250 hang after pressing the keypad,then power off itself.
Can you enligthen me?thank you.


sincerely
mark

Try the following solutions in order:
1- Upload your 8250 with a full 2MB flash.
2- If that did not work, Put a double face sticker on the processor to hold it hard

try to change i/c n220 (30p) or hagar...............

Try to clean all with lacquer thinner it works 100% and reheat all the parts