1. Go to Settings

2. Open mobile network

3. Tap add apn

4. Fill out as follows:

APN – internet

Username – web

Password – web

5. Then click the tick at the bottom.

6. Once this has completed, turn the handset off and on again. 

7. Once booted, leave for a few minutes to let the phone get a connection and test the  data connection with a trusted website (BBC.co.uk).