1. Find "SIM PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-9ee4d462-517a-4d48-978a-36cd871188c2.png?width=310&height=412)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-42522d5c-d7e5-4cb0-898e-10ba3daf7a8d.png?width=310&height=412)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-9f6d6a4d-4528-4e5d-97b7-7c19bbabc6af.png?width=310&height=412)
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-c8d113e2-3028-4bb9-b981-075a7b147235.png?width=310&height=412)
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-29a01714-52db-482b-b09a-0ae2e259ed4d.png?width=310&height=412)
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-c8d113e2-3028-4bb9-b981-075a7b147235.png?width=310&height=412)
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