how to hard reset Nokia N8

Nokia N8 hard reset with keys buttons

With the phone turned off, press VOLUME DOWN + CAMERA key + MENU + POWER key. for 1 minute (Maybe not working!!! Pls confirm...)
or
Main Menu>Settings>Phone>Phone mgmt.>Factory Settings>Delete Data and Restore
Nokia N8 hard reset

OR

Type *#7370# then select YES. Default phone lock code 12345

Nokia N8 hard reset

Nokia N8 hard reset