1. Find "SIM PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-048d0987-9468-4d6c-b1c4-412680547a72.png?width=192&height=344)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-76a41910-065c-428e-95b8-7a2f6a88a371.png?width=192&height=344)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fc532c6c-c10d-4079-b7d2-52ade48900ba.png?width=192&height=344)
2. Turn use of PIN on or off
Press the indicator next to "SIM PIN" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-661f7d26-9604-48ed-bf36-c786c3125585.png?width=192&height=344)
Key in your PIN and press Done.
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.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-779c4283-db68-4eaf-a4b1-b5f27924bfa2.png?width=192&height=344)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-661f7d26-9604-48ed-bf36-c786c3125585.png?width=192&height=344)