Three and O2 customers will lose their 3G connection in the coming months and giffgaff, Tesco Mobile, Sky and iD Mobile will ...

Millions of mobile phones will become "obsolete" when O2 makes a major change in just a few weeks. The provider is switching off its 3G network from April, affecting customers who use older phones.

GCHQ and the US National Security Agency hacked into the internal network of the largest makers of mobile phone ... security of mobile phones on the Vodafone, EE and O2 networks.

O2 is shutting down its pay-as-you-go data only SIM services. These SIMs allow you to connect to the internet with mobile data when you don’t have WiFi. The service provides a data allowance and ...

O2 was tricked into transferring a phone number to fraudsters, a customer has fumed. ‘Sim-swap’ fraud has affected three readers – and dealing with their mobile phone company hasn’t been ...

Millions of mobile phones will become "obsolete" when O2 makes a major change in just a few weeks. The provider is switching off its 3G network from April, affecting customers who use older phones.