O2 has just issued an urgent warning to its customers after the discovery of a fake text message that suggests a SIM is about to expire.

Anyone who is an O2 customer and owns a smartphone with 4G or 5G connections will receive an important message this week. The message will remind them about the upcoming UK government national test of ...

O2 has issued a warning about a new text message scam that attempts to trick people into handing over their account details. The mobile network provider said fraudsters are sending messages claiming ...