1. Find "PIN Management"
Click Settings.
Click Security.
Click PIN Management.
2. Turn off use of PIN
Click the drop down list next to "PIN operation".
Click Disable.
Click the field next to "PIN code:" and key in your PIN.
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.
Click Apply.
3. Turn on use of PIN
Click the field next to "PIN code:" and key in your PIN.
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.
Click Apply.