1. Find "PIN"
Press the Left selection key.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-eaa9753b-28a1-48cf-b561-b66274fdc7f8.png?width=146&height=196)
Select Settings and press the Left selection key.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8b8b1953-8b4d-4e0c-a7db-49c60aa8cd60.png?width=146&height=196)
Select Security and press the Left selection key.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-42483697-8960-4d59-a049-9ae002fc8c7b.png?width=146&height=196)
Select PIN and press the Left selection key.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-988fa7af-c313-486a-81ff-e63f24e67974.png?width=146&height=196)
2. Turn use of PIN on or off
Select PIN and press the Left selection key.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a232f2e9-dc29-4504-937a-602d5a54799b.png?width=146&height=196)
Key in your PIN and press the Left selection key.
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-f3c2fe67-1517-467a-b67c-5e43fe519646.png?width=146&height=196)
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-a232f2e9-dc29-4504-937a-602d5a54799b.png?width=146&height=196)