1. Find "SIM PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-53d3d32c-6409-4d3a-b59d-0626c0108b77.png?width=208&height=454)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-41758254-d079-44b0-9405-c0deadfcbf8d.png?width=208&height=454)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-f6cdb473-a6a6-4eb7-9fae-51203a7b5492.png?width=208&height=454)
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-4905fb63-94d1-409c-921f-88bc0ca5c82b.png?width=208&height=454)
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-f93b9187-8d65-4515-b10a-584ac85ba524.png?width=208&height=454)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7100822-f-4905fb63-94d1-409c-921f-88bc0ca5c82b.png?width=208&height=454)
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