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/7100822-f-4b1afe33-533e-4ed3-a28a-0f34abb195d0.png?width=200&height=448)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-ec7af552-b1d6-4809-95f1-964b9478d231.png?width=200&height=448)
Press Biometrics and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-11aad7bd-68ec-4fc3-89d2-73ab7d86799b.png?width=200&height=448)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-b58752a3-6b5c-47c7-b483-a4afd29b43bd.png?width=200&height=448)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-0eef6821-6c34-48b9-8279-82f65ed7e9fc.png?width=200&height=448)
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/7100822-f-98e7d2a0-8935-4371-9211-7265d167790c.png?width=200&height=448)
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/7100822-f-ece07b28-c551-441c-8cce-dde84c7bb4b1.png?width=200&height=448)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-98e7d2a0-8935-4371-9211-7265d167790c.png?width=200&height=448)
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![](/Content/images/design_assets/vf-fb-logo.png)