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-d0ceff7d-4059-460e-852c-3f907c304854.png?width=190&height=394)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e956f5b6-0b42-4f54-bebe-34b5220b4001.png?width=190&height=394)
Press Biometrics and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-82a7ec19-6f0a-4d93-96bd-8030f51665e3.png?width=190&height=394)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4cff3fc7-ae87-4816-a5e0-84012aaf0beb.png?width=190&height=394)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b80d4d18-a7ed-488f-9bf9-bb46a5f8b762.png?width=190&height=394)
2. Turn use of PIN on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-44647af8-dfc8-4c35-a07c-af3cd0086684.png?width=190&height=394)
Press the indicator next to "Lock SIM card" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-44647af8-dfc8-4c35-a07c-af3cd0086684.png?width=190&height=394)
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-393c0e66-5209-4e82-a882-b9441b859176.png?width=190&height=394)
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-44647af8-dfc8-4c35-a07c-af3cd0086684.png?width=190&height=394)