DONT UNDERSTAND , CRAZZY K320 !!!

Hi all friend

i get new K320i (from gsm shop)
problem is hanging

i have flash it with cruiser
all done
phone work good but after 2 or 3 hours will come same problem and go to blinkink

try all flash file from support ... then done work good but after 2 ou 3 hours comme at same problem (blinkg)

i try also SETOOL with all flashes

setoolite too ... with same problem ...

is this K320 crazy ?
or iam crazy ? :D:D:D

any suggestions !!!

surelly this phone make me crazzy !!!