1. Find "SIM lock"
Press the Navigation key.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d7423a7d-4441-4431-acf7-6a15995847c8.png?width=106&height=140)
Select Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-43a4d065-a69a-40eb-b960-0ccef2a6370a.png?width=106&height=140)
Select Security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0bc5b0bf-22e6-4e1e-b93c-41b9cfc66d49.png?width=106&height=140)
Select SIM lock.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-74a9d4cc-b0b7-41a0-b778-4bfe6a1fe2d5.png?width=106&height=140)
2. Turn use of PIN on or off
Select On to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b1cd6134-5299-4d0f-92c7-8c09a2fa5e1e.png?width=106&height=140)
Key in your PIN and press the Navigation key.
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/7140723-f-735e3d2b-882c-41f3-a9a5-3ef01e440ca1.png?width=106&height=140)
Select Off to turn off the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1f78b17d-fc35-482c-8ffc-483e3170ec33.png?width=106&height=140)
Key in your PIN and press the Navigation key.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ca8a87aa-a707-4e23-83bf-049888d4e576.png?width=106&height=140)
3. Return to the home screen
Press Disconnect to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b1cd6134-5299-4d0f-92c7-8c09a2fa5e1e.png?width=106&height=140)