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-8fed7c12-3b5b-4b30-b370-2b0eb7b38300.png?width=204&height=452)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-91b3148f-0814-49de-a858-cc41ae426a74.png?width=204&height=452)
Press Biometrics and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ab3f3cda-eaba-4fde-81e5-0a65d2025fa0.png?width=204&height=452)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-50ac16e3-8a31-4468-8551-d437a4674bf9.png?width=204&height=452)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f42b1820-5d7f-44fa-9d6e-14dda4475949.png?width=204&height=452)
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-f54fda6e-ffbe-41a8-881a-7d5bfabe2948.png?width=204&height=452)
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-3e3e5ae9-6308-41dc-804b-747eaf6c64e3.png?width=204&height=452)
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-f54fda6e-ffbe-41a8-881a-7d5bfabe2948.png?width=204&height=452)