O2 is one of the leading telecom brands in the U.K., providing mobile SIM card and broadband services. As a customer, it allows you to customize your monthly plan according to your needs. If you have ...

Following a tariff overhaul by T-Mobile last month, O2 is the latest network to revamp its monthly contracts. The original home of the iPhone is launching a new SIM-only tariff and updating its ...

Good news for all the O2 customers out there who have been trying to get their hands on a new Micro SIM card for the iPhone 4, as we have just checked with a number of O2 stores throughout the UK and ...

O2 has added the iPhone to its handset unlocking form, allowing you to add other networks' SIM cards into your iPhone for free Richard Trenholm was CNET's film and TV editor, covering the big screen, ...

We have been trying to find out information on how people who have pre-ordered the iPhone 4 from Apple, will get a new Micro SIM card from the five mobile operators in the UK. We have written a guide ...

A SIM card, or subscriber identity module, is a small card in your cellphone that connects you to the network. Your SIM card contains your phone number, and lets you make phone calls, send text ...