1. Find "SIM PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-3912f2e4-5776-4628-97d2-058a176337bd.png?width=192&height=340)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-4d4397c0-c368-4b6e-a1ff-364e98ec2bfc.png?width=192&height=340)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-cd545638-d3cb-4ec1-be5d-de9bfbb8afa9.png?width=192&height=340)
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/7100822-f-2202d409-2793-4522-86c7-5b0cc14fed9f.png?width=192&height=340)
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/7100822-f-fbc47916-0574-47b6-b188-a58cd58027bb.png?width=192&height=340)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-2202d409-2793-4522-86c7-5b0cc14fed9f.png?width=192&height=340)
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