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Other ways to get help
If you can't use your phone's internet connection, there may be several causes of the problem.
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Network & Internet.
Press Mobile network.
Press Advanced.
Press Access point names.
Press the new data connection icon.
Press Name.
Key in O2 UK Internet and press OK.
Press APN.
Key in mobile.o2.co.uk and press OK.
Press Username.
Key in o2 and press OK.
Press Password.
Key in p and press OK.
Press MCC.
Key in 234 and press OK.
Press MNC.
Key in 10 and press OK.
Press Authentication type.
Press PAP.
Press APN type.
Key in default and press OK.
Press the menu icon.
Press Save.
Press the field next to the data connection to activate it.
Press the Home key to return to the home screen.
Press the mobile data icon to turn the function on or off.
If you turn off the function, press TURN OFF.
Press the indicator next to 'Roaming' to turn the function on or off.
Press and hold On/Off.
Simultaneously, press and hold the upper part of the Volume key until your phone restarts.