A security expert has said networks leaking your phone number to sites you visit is a problem several years old. Luke Westaway is a senior editor at CNET and writer/ presenter of Adventures in Tech, a ...

O2 has announced that it is switching off its ageing 2G network, and that's good news for anyone with a 4G or 5G compatible device.

O2 is shutting down its older network technology, and that's good news for millions wanting faster speeds.

It is the mobile network service used by millions of people around the UK. But O2 has now issued a warning to customers ahead of a major change that will stop some phones from working. The UK's 3G ...

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