O2 is closing down its pay-as-you-go data only mobile SIM services later this month. These SIMs allow you to pay for internet data which you have to use within a certain number of days. There are no ...

O2 has issued a message urging all mobile phone users with old, unwanted smartphones to trade them in for a free cash boost of over £200. Research from the company has found that the average UK ...

An O2 customer has been left baffled after having their account "shut" having seen a phone order wrongly deemend to be FRAUD. O2 has come under fire from a customer who wrote into the Guardian ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

O2 has issued an apology for the major security flaw which saw the mobile network accidently leak users' mobile phone numbers to every website they visited. The mobile network blames technical changes ...

Earlier this year I was shocked to get a message from my phone network, O2. It said six new direct debits had been set up, totalling £150 per month.

Mobile carrier O2 has announced a number of changes to help customers during the ongoing public health crisis. From today, all pay monthly customers will be upgraded to unlimited calls to UK numbers.

Ofcom has been urged to crack down on mobile phone bills after O2 announced a surprise price increase. Liz Kendall, the Technology Secretary, has asked the regulator to carry out a rapid review of how ...

O2 customers across much of the UK have reported problems with their mobile phone internet as many experience outages. Users in areas Like London, Manchester, Glasgow and more have reported mobile ...