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-4e1b280b-4d69-4fb9-a87a-aefdd06eee60.png?width=196&height=436)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7260623-f-b386696e-7401-49d9-a022-3a7f7a83330b.png?width=196&height=436)
Press Security and privacy.
![](http://wmstatic.global.ssl.fastly.net/ml/7260623-f-50c5d5f5-a056-409c-b614-4fa17ee8e93d.png?width=196&height=436)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7260623-f-bb61bba9-2bd6-4c98-a904-fd973588e1b8.png?width=196&height=436)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7260623-f-b7adc890-764e-4456-8ad4-0d1eba53c47d.png?width=196&height=436)
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-4d3be785-9cc7-462e-95eb-4e0af78dc401.png?width=196&height=436)
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-841305e4-4516-416c-a455-05abba2d2bdc.png?width=196&height=436)
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-4d3be785-9cc7-462e-95eb-4e0af78dc401.png?width=196&height=436)
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![](/Content/images/design_assets/vf-fb-logo.png)