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-1734b561-14aa-401e-8718-e2e7fd816fed.png?width=204&height=452)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2afd2614-7863-48d4-8c66-f0f992530803.png?width=204&height=452)
Press Biometrics and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8d6b5534-d922-4a2b-830a-80ef9aaa0be9.png?width=204&height=452)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-50dfdf82-d4db-4cd7-8ad7-342d891f043a.png?width=204&height=452)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-aed77cdd-2507-49ef-8d10-a75b297f91cc.png?width=204&height=452)
2. Turn use of PIN on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b10d0ea5-8d9f-4182-97ca-430a91da5a08.png?width=204&height=452)
Press the indicator next to "Lock SIM card" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b10d0ea5-8d9f-4182-97ca-430a91da5a08.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-95c0f384-9369-4df1-b532-c37bfe553969.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-b10d0ea5-8d9f-4182-97ca-430a91da5a08.png?width=204&height=452)