1. Find "Change PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-42341d51-cd0e-4398-b29e-39ef3b479dd1.png?width=210&height=454)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a923930d-acbe-4c89-92af-742443eb71de.png?width=210&height=454)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-19985ecd-911e-47e8-ab9f-709ace810e53.png?width=210&height=454)
Press Change PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-fbe071ad-a138-4495-ac02-9927716beb75.png?width=210&height=454)
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-85e9e739-8b1c-4718-a189-6ac8a4f31daf.png?width=210&height=454)
Key in a new four-digit PIN and press Done.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9e485928-b122-4205-9f34-57c7ebf69e82.png?width=210&height=454)
Key in the new PIN again and press Done.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7156105c-5659-4c5e-9790-4fc0e28d93ae.png?width=210&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/7151223-f-fbe071ad-a138-4495-ac02-9927716beb75.png?width=210&height=454)