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 has just announced another big network boost for UK phone users with the launch of its 500th Giga Site ...

Virgin Media O2 is helping hundreds of people experiencing financial hardship stay connected this winter and beyond by providing free smartphones and O2 mobile data to The Multibank. Through this new ...