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.

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 ...

For those on a network with roaming charges - you can get a temporary SIM card that offers free data roaming at a cheaper rate.

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.