O2 XDA STEALTH HARD RESETTING

First of all switched offf this cell u can remove 
its battery & put it again then wait 
for a 10second then do this magic
PRESS !<< & >>! & same time Press Power switch 
{left button in centre jog dial + right button in centre jog dial + Power Switch} & wait 
for a munit u ill see on screen formating at this time 
press Green Button thats is call button & this ill hard reset your 
O2 xda stealth