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-72f996c0-1c9e-4fe8-b385-c67e0a931f1b.png?width=206&height=450)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8e0ce656-18f3-4f08-b280-4746732c96d8.png?width=206&height=450)
Press Biometrics and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4eaf3c7f-a333-4469-88b1-4fc8104a8ef7.png?width=206&height=450)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-be0558a4-d9d6-457d-a18d-aac30286f6d4.png?width=206&height=450)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-38f194a2-7bb3-46d0-8c83-91a138127b22.png?width=206&height=450)
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-1aa78236-a23b-405d-840e-14415d1ab09b.png?width=206&height=450)
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-52ac49b5-68c5-4531-8580-b6f7fdba970d.png?width=206&height=450)
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-1aa78236-a23b-405d-840e-14415d1ab09b.png?width=206&height=450)