1. Find "SIM PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7041122-f-9e961350-67cc-44ff-ba91-3a8a00a20e09.png?width=208&height=454)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7041122-f-95d3f47a-eaaf-4578-af29-4c0de6b084b6.png?width=208&height=454)
Press SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7041122-f-33d65bc4-dee1-42d2-9f59-fe1140ba2e96.png?width=208&height=454)
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/7041122-f-ef826797-7eaf-43f0-a01c-a64dbd98594b.png?width=208&height=454)
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/7041122-f-651ec7e9-e4a0-4ac1-a56e-f5494d77de60.png?width=208&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/7041122-f-ef826797-7eaf-43f0-a01c-a64dbd98594b.png?width=208&height=454)
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