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-0b11ccb8-d393-4faf-8bf0-0cc68b8038f5.png?width=208&height=450)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2a5e5145-9995-4701-ad23-66c3dd1eb1c5.png?width=208&height=450)
Press Biometrics and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a236b904-1a2a-4263-84b1-40227e302b1f.png?width=208&height=450)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4b7f1466-b7b3-4bfd-8ee6-20f01b29c539.png?width=208&height=450)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-20865add-a2a8-40cd-803f-e9d2fa832913.png?width=208&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-8ad5d319-bd36-4f5c-b602-bf8a5db63f78.png?width=208&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-2ef2fe69-7ff5-48f8-a314-f5c63fd673a6.png?width=208&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-8ad5d319-bd36-4f5c-b602-bf8a5db63f78.png?width=208&height=450)