1. Find "Change PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d480a513-fd85-4c7d-a02d-9b1356495d27.png?width=210&height=458)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3638f722-7958-4b34-814f-483fc27ce0d6.png?width=210&height=458)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ab5b13cc-65b2-4979-80a0-df772664d753.png?width=210&height=458)
Press Change PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-661873f4-7092-4407-9307-c43f430c1de6.png?width=210&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-13c43187-66a8-4ccd-b348-8b78492e41d7.png?width=210&height=458)
Key in a new four-digit PIN and press Done.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-519532d1-fc03-4fcf-8361-421926d151a5.png?width=210&height=458)
Key in the new PIN again and press Done.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-db490b95-cc55-441d-848c-9f1ba4870212.png?width=210&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-661873f4-7092-4407-9307-c43f430c1de6.png?width=210&height=458)