O2

Millions of EE pay-monthly mobile customers will be hit by a 2.7% price rise from 28 May – but if you're one of them, there's little you can do to leave your contract penalty-free.

O2's eight million pay-monthly customers will be hit by a price rise of 2.7% from March – and if you're one of them, there's little you can do to leave your contract penalty-free as the firm has sneaked around new Ofcom rules.

If you've bought any online texts from O2, use them now or lose them – because the provider is scrapping its online text messaging service next month.

Update: 20.09.2013: Tesco Mobile has today released its price plans for the iPhone 5C, so we have updated this news story with this information.

Mobile giant Three says it will offer a superfast 4G mobile internet service from December — while Vodafone and O2 are switching on their rival services today.

Some iPhone 5 users have been left feeling short-changed after realising their mobile won't work on 4G with O2 and Vodafone.

O2 will launch its 4G network in London, Leeds and Bradford from 29 August – but customers won't be able to use iPhone 5s with the new network.

A new mobile phone company will come onto the block later this summer, as Sainsbury's has announced plans to launch its own network.

Over half a million O2 and BE broadband (part of O2) and home phone customers officially became Sky customers on 1 May, so MoneySavingExpert.com breaks down what this really means for you.