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/7210823-f-2ed196e7-8a61-4b6b-8e56-42ec52aa7af5.png?width=212&height=458)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7210823-f-31b1bafa-bf45-4431-9f5d-3fd90f91a6ea.png?width=212&height=458)
Press Security and privacy.
![](http://wmstatic.global.ssl.fastly.net/ml/7210823-f-426b126c-2bd4-4320-b8c7-2cc1b90226f5.png?width=212&height=458)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7210823-f-5e649c64-449e-41ae-a9a3-a7aa8b8e25aa.png?width=212&height=458)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7210823-f-b23623bc-d750-46d2-a5e9-ade8f3bff585.png?width=212&height=458)
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/7210823-f-606a440e-65f6-47c5-9420-a93d35de8b29.png?width=212&height=458)
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/7210823-f-295d2907-126b-47c0-a4e6-8d965c4376f6.png?width=212&height=458)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7210823-f-606a440e-65f6-47c5-9420-a93d35de8b29.png?width=212&height=458)
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![](/Content/images/design_assets/vf-fb-logo.png)