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-ba8fe847-7002-4336-9120-a2616927c3ca.png?width=204&height=454)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c1d3dfac-a61d-4197-84ae-44d0ed1a1757.png?width=204&height=454)
Press Biometrics and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5ca7f918-cf74-42cc-8528-2bc3741a7567.png?width=204&height=454)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ef3d87e8-b981-4dca-9b40-b52baed010d8.png?width=204&height=454)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8c67a1a9-44c9-4d39-bdfa-87d0469fd3e7.png?width=204&height=454)
2. Turn use of PIN on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f0cb3491-0128-4583-99eb-265e4198868f.png?width=204&height=454)
Press the indicator next to "Lock SIM card" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f0cb3491-0128-4583-99eb-265e4198868f.png?width=204&height=454)
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-4aace23e-78e4-469c-b4b8-d1a1af4049c6.png?width=204&height=454)
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-f0cb3491-0128-4583-99eb-265e4198868f.png?width=204&height=454)