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/7260623-f-fbf020e9-92d1-43f6-85a2-38ea4f225ed9.png?width=208&height=450)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7260623-f-54318649-31e9-4530-bb7e-b9e13b2f3c55.png?width=208&height=450)
Press Security and privacy.
![](http://wmstatic.global.ssl.fastly.net/ml/7260623-f-d874a817-ebce-45a5-9cda-853b090a8c7f.png?width=208&height=450)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7260623-f-39f93373-8e7b-4993-8f1f-13725e0053f7.png?width=208&height=450)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7260623-f-ed0b1158-e168-42d2-bf39-c6e7a7be3d7f.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/7260623-f-7dedb592-9eba-4845-80c7-cd5ebfb4998e.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/7260623-f-7cd17d94-cdda-41b7-b260-1f10072fdf4d.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/7260623-f-7dedb592-9eba-4845-80c7-cd5ebfb4998e.png?width=208&height=450)
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![](/Content/images/design_assets/vf-fb-logo.png)