This is best trick to format nokia symbian mobile phone like Nokia 6600, 6630, 6680, 7610, n70, n72, n73, n81, n95, n96, n97, n8, n9 etc. without security lock code.
Here is the trick.
Step 1: Turn the mobile phone OFF (If it is turned ON)
Step 2: Press and hold “3”, “*” and Call key.
Step 3: Turn the mobile phone ON (Holding the keys).
Step 4: Hold on the keys for 5-10 seconds.
Leave the keys and your mobile phone will have formatted.
(Precaution: Your mobile’s battery should be nearly full otherwise if battery is low then there may exist any damage)
Use trick and Enjoy…