1. Find "SIM PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-c1269402-70fc-496b-be35-30beda09a926.png?width=284&height=378)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-fd2fbee6-e3d6-45d8-86b8-0a55b9458459.png?width=284&height=378)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-6a84040a-fffe-41c4-ba9f-140d39ef3e9b.png?width=284&height=378)
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/7291123-f-9311bdce-dead-4ef3-9adb-ddad258e851b.png?width=284&height=378)
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/7291123-f-a72ac5bd-f7b3-44e3-a842-af716d79d643.png?width=284&height=378)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7291123-f-9311bdce-dead-4ef3-9adb-ddad258e851b.png?width=284&height=378)
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