1. Find "SIM PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7300922-f-d480a513-fd85-4c7d-a02d-9b1356495d27.png?width=210&height=458)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7300922-f-3638f722-7958-4b34-814f-483fc27ce0d6.png?width=210&height=458)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7300922-f-ab5b13cc-65b2-4979-80a0-df772664d753.png?width=210&height=458)
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/7300922-f-661873f4-7092-4407-9307-c43f430c1de6.png?width=210&height=458)
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/7300922-f-ee1744c4-e4b8-46a8-bcab-5e7b4e1c550e.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/7300922-f-661873f4-7092-4407-9307-c43f430c1de6.png?width=210&height=458)
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