There's a lot of competition when it comes to paying monthly phone and SIM contracts, with popular providers like Sky Mobile, Vodafone, O2 and EE battling it out to tempt you to switch. We've rounded ...

A warning has been issued to O2 customers after a customer's contract was cancelled - against their will. An O2 customer has written into the Guardian's consumer Q&A agony aunt section, revealed how ...

A new warning has been issued to millions of people with a monthly mobile phone contract with O2. Martin Lewis warns that up to 15 million customers could see their monthly bills rise by more than the ...

LONDON: British broadband and mobile operator Virgin Media O2 lost 118,400 mobile contract customers in the second quarter, reflecting weakness in the top-end of the market where innovation in new ...

Customers who have phone contracts with the “Big Four” mobile companies could save more than £200 a year by switching when their contract ends. They found out-of-contract customers with the Big Four ...