1. Find "Set up SIM card lock"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-005efa7d-4293-4645-b8c6-863bef172246.png?width=200&height=444)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-61523db8-293c-48ef-a5e0-fa93519d5392.png?width=200&height=444)
Press Biometrics and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b9518016-d6d8-45a4-9867-5ff2ee42dbe1.png?width=200&height=444)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-65c01c2b-7e5b-43a7-bf56-292c02d3e7a9.png?width=200&height=444)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7873ec37-7653-43be-b24d-dddc3d38107b.png?width=200&height=444)
2. Turn use of PIN on or off
Press the indicator next to "Lock SIM card" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-50ccfc7e-d085-4f8b-b028-980a98bab822.png?width=200&height=444)
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.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5eb40840-a098-4222-acc9-25a484bec174.png?width=200&height=444)
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-50ccfc7e-d085-4f8b-b028-980a98bab822.png?width=200&height=444)