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/7080324-f-a8e2c5bc-4789-4ed7-9dbe-f3f733d22e98.png?width=276&height=444)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7080324-f-b0e01936-e0a6-453f-ac79-020857e8a5e1.png?width=276&height=444)
Press Security and privacy.
![](http://wmstatic.global.ssl.fastly.net/ml/7080324-f-58d352d6-b021-450c-974b-3329494e22e1.png?width=276&height=444)
Press Other security settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7080324-f-1ee516db-c78d-41a4-942f-a38d026a10c8.png?width=276&height=444)
Press Set up SIM card lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7080324-f-ac3e6980-1b27-4728-8e5e-b59418d81f61.png?width=276&height=444)
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/7080324-f-9730d3e9-022c-4f3b-93f6-e738d665b026.png?width=276&height=444)
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/7080324-f-033a8a4b-0a88-4ab3-b1cf-ba68ab167b7f.png?width=276&height=444)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7080324-f-9730d3e9-022c-4f3b-93f6-e738d665b026.png?width=276&height=444)
How would you rate your experience?
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![](/Content/images/design_assets/vf-fb-logo.png)