1. Find "SIM PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-ecd623c3-1db9-4d9c-8e50-4ab6f0da3323.png?width=282&height=376)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-c902ac49-8df0-47af-ba27-546ec0bf5d70.png?width=282&height=376)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-d1c7ce6b-4e97-4740-9d66-09c2aa370c6e.png?width=282&height=376)
2. Turn use of PIN on or off
Press the indicator next to "SIM PIN" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-7af40554-46fd-4cd5-b0ea-bc06797e6424.png?width=282&height=376)
Key in your PIN and press Done.
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/7291123-f-6d90e342-d505-4b4b-bea6-b9ae81954ea6.png?width=282&height=376)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-7af40554-46fd-4cd5-b0ea-bc06797e6424.png?width=282&height=376)
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