1 Turn on your phone
Press and hold On/Off until your phone is turned on.
Press the Home key.
2 Enter your PIN
Press SIM Card.
If your SIM is locked, key in your PIN and press OK.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting customer services. Please note: If you key in the wrong PUK ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Vodafone.
3 Turn off your phone
Press and hold On/Off.
Press and drag the power off icon right.