HOW TO CONNECT AN IPHONE TO O2 MOBILE INTERNET

APN settings

An iPhone usually sets up APNs automatically, but if you need to enter them manually, here's how.

From the home screen:

1. Tap Settings.
2. In the first section tap Mobile/Cellular.
3. Tap Mobile data network/Cellular data network.
4. Enter the following settings into the onscreen form, without changing any other settings:
   Mobile/Cellular Data:
   APN - idata.o2.co.uk (PAYG - payandgo.o2.co.uk)
   Username - vertigo (PAYG - payandgo)
   Password - password
   Visual Voicemail: 
   APN - idata.o2co.uk (PAYG - not used)
   Username - vertigo (PAYG - not used)
   Password - password (PAYG - not used)
   MMS:
   APN - idata.o2.co.uk (PAYG - payandgo.o2.co.uk)
   Username - vertigo (PAYG - payandgo)
   Password - password
   MMSC - http://mmsc-ac.mms.o2.co.uk:10021/mmsc
   MMS Proxy - 82.132.254.1:8080
   MMS Max Message Size - 2097152
   (As a check, the image below shows blue text in the fields you should have completed)
5. Tap the left arrow at the top three times.
6. Press the home button.
7. On the status bar at the top of the screen, next to the name of your mobile network, you should now see a data connection indicator 4G, 3G, E or GPRS. This means the data connection is live and working.