Of all the current UK networks, O2 has changed the most. The carrier as it exists now was “born” in 2002, but its history dates as far back as 1985. Prior to being known as O2, the BT-owned network ...

Today, Hong Kong-based Hutchison Whampoa released a statement saying that it is in exclusive negotiations with Telefonica to acquire mobile carrier O2 in the UK, offering to pay up to £10.25 billion ...

UK operator O2 recorded the biggest mobile traffic event in its history during England’s match the DR Congo at the FIFA World Cup.

O2 is launching a new service that will offer a free speed boost to thousands of its customers.

Natasha Lomas is the Mobile Phones Editor for CNET UK, where she writes reviews, news and features. Previously she was Senior Reporter at Silicon.com, covering mobile technology in the business sphere ...

The deal is set to cost a total of £10.25 billion, £9.25 billion which would be paid at closing and a further £1 billion to be paid after the deal has completed. Of course, this potential agreement ...

Virgin Media O2 announces plans to shut down legacy 2G networks, which carry just 0.5% of network traffic but use 10% of cell ...

Looks like the honeymoon period for EE and LTE in the UK is over. This morning, Telefonica’s O2 announced that it would turn on its LTE network on August 29, becoming the second operator to offer 4G ...

A flaw in O2 UK's implementation of VoLTE and WiFi Calling technologies could allow anyone to expose the general location of a person and other identifiers by calling the target. The problem was ...

UK mobile phone operator Orange and Apple [AAPL] have signed a groundbreaking deal, which sees O2 lose exclusivity to sell the iPhone in the UK. As a result, Orange will be selling the iPhone 3G and ...