1. Open Settings

2. Tap cellular

3. Tap Network selection

4. Tap tap to select

5. This will then search for available networks (this can take a few minutes

6. Tap tap to select

7. This will bring up a list of networks available, select one that isn’t Vodafone.

8. Let it register on this new network, you will not be able to use this network.

9. Tap Network selection

10. Tap automatic