1. Find "Change PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-dae9ba2b-bb5d-425a-a1a8-818930ae99f3.png?width=212&height=458)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4c40c765-2564-4024-b20a-e5a13489a939.png?width=212&height=458)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-6a2e7a80-880c-4a33-8b76-2b1cddce92ec.png?width=212&height=458)
Press Change PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e2c2dc0d-726b-495c-a0e2-d908238b15bc.png?width=212&height=458)
2. Change PIN
Key in your current 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. You can get the PUK by calling customer services on 191 from a Vodafone mobile phone. If you're using a land line, you need to dial 03333 040 191. 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/7151223-f-4a724211-b409-4340-bc92-7c2e1ba45e48.png?width=212&height=458)
Key in a new four-digit PIN and press Done.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f1dd6419-9df3-4f37-9e48-a747a60965c2.png?width=212&height=458)
Key in the new PIN again and press Done.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3c7f8e41-47fc-42fd-a677-1641b901468d.png?width=212&height=458)
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/7151223-f-e2c2dc0d-726b-495c-a0e2-d908238b15bc.png?width=212&height=458)