OFCOM

Millions of Vodafone pay-monthly mobile customers will have their prices frozen, as the firm has promised not to hike line rental costs mid-contract.

Mobile phone firm Ovivo has gone into liquidation following its sudden closure in March, which left many users out of pocket. But customers may not get their money back.

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.

Mobile provider Three is making calls to 0800, 0808 and 0500 numbers free, while it's also cutting the cost of dialling all other 08 numbers. But customers will have to take out a new contract to take advantage.

Over four million TalkTalk home phone, broadband and TV customers will be hit with price hikes from 1 May. But customers unhappy about the rise can leave their 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're calling customer service helplines to complain, you soon won't be faced with costly premium rate numbers under a Government crackdown.

Some T-Mobile customers are in line for refunds after winning a campaign over incorrect price rises which were applied earlier this year.