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-02ec09b6-9af6-40aa-b41f-286113d18907.png?width=204&height=442)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-aa68be3d-ba3a-4f62-84b3-3165c43b846d.png?width=204&height=442)
Press Biometrics and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6ca1a55e-ba11-41f1-816e-67ee127f7a7b.png?width=204&height=442)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3c8786ff-ef20-4e19-b4e9-beb9764485f6.png?width=204&height=442)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-130a6bfc-34ad-44c0-846f-835d5597e46c.png?width=204&height=442)
2. Turn use of PIN on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-15f70339-124c-4e77-8538-b0feb789701c.png?width=204&height=442)
Press the indicator next to "Lock SIM card" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-15f70339-124c-4e77-8538-b0feb789701c.png?width=204&height=442)
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-88f44ce3-62c8-402c-abca-6fb2ca39bb0d.png?width=204&height=442)
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-15f70339-124c-4e77-8538-b0feb789701c.png?width=204&height=442)