![Huawei P40 Pro](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-52942875-5976-4dc3-8966-100d617745f4.png?width=150&height=320)
Huawei P40 Pro
Android 10.0
1. Find "Change SIM PIN"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c64c5b1f-99aa-40b3-92d2-ef59c60bfa80.png?width=210&height=460)
Press Security.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-70c93b70-b0c8-44b7-a4f8-e0033eab689e.png?width=210&height=460)
Press More settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-8e15433c-8707-456b-b850-9dcd47365212.png?width=210&height=460)
Press Encryption and credentials.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3f66ddb3-62b6-4fca-8ab7-af20dbbaacf1.png?width=210&height=460)
Press Set ‹SIM› lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c31a1c28-21ab-476a-8ee9-2c1fc1799aa6.png?width=210&height=460)
Press Change SIM PIN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-04074c9a-fab6-4928-9ca9-f1dc7ae354e8.png?width=210&height=460)
2. Change PIN
Key in your current PIN and press OK.
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-d1cd33d2-3ced-4b56-a02a-616531e672b2.png?width=210&height=460)
Key in a new four-digit PIN and press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e6a28942-0629-482a-a53b-1db85c63c758.png?width=210&height=460)
Key in the new PIN again and press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-37e1ae65-3a4b-481d-ae72-979156b178d3.png?width=210&height=460)
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-04074c9a-fab6-4928-9ca9-f1dc7ae354e8.png?width=210&height=460)