O2 has launched My O2, an official iPhone app to monitor your usage, and see just how much money you threw away when you signed that 18-month contract Richard Trenholm was CNET's film and TV editor, ...

O2 has launched an Android version of its My O2 Android app. Built by Mobile Interactive Group (MIG), the free app enables O2 customers on Pay & Go and Pay Monthly tariffs to securely view their ...