PUK CODE ERROR
PUK (personal unlocking code) is a code to unlock security code. Any phone allows three trial of inserting security code; If we insert wrong code three time it ask for PUK., and that is your problem. You have to ask your provider to give you that code. For that you have to call your operator's care centre or help line from landline of other card of same operator. Operator on line will ask you about your mobile no. and 2-3 question regarding your personal detail and provide the PUK code. Enter the PUK given my him & your cell will be unlocked.