O2

Millions of mobile users could get £1,000-plus payouts if a new group legal claim succeeds. Plans are afoot to take the four biggest mobile operators – EE, O2, Three and Vodafone – to court for overcharging customers. It's early days and nothing is guaranteed, but here's the current state of play.

If you've got an old mobile handset you may soon lose internet access. Vodafone has become the first major mobile network to switch off 3G in parts of the country with other networks set to follow. Here's how to check if your handset is impacted and what you need to do about it.  

Millions of O2 and Virgin Mobile customers will be hit with price hikes of up to 17.3% in April, the mobile providers' parent company has confirmed. Below we explain what's happening and what you can do about it.

Virgin Mobile customers will start being migrated to O2 plans from March this year, Virgin Media O2 has revealed, with millions of mobile customers affected. Here's what you need to know.

MoneySavingExpert.com has today published a new report containing worrying findings on EU roaming. It comes as post-Brexit roaming protections have now ended and most major networks have reintroduced roaming fees in the EU, ultimately leaving mobile users with weaker rights and many with higher costs.

Vodafone's Voxi mobile network is now charging an up to £2 a day roaming fee that kicked in last week (23 June). New and existing customers will now need to purchase a European roaming pass to make calls, send texts and use data in 49 European countries and destinations. Here are all the details.

The UK's biggest broadband and mobile providers – BT, Sky, TalkTalk, Three, Virgin Media O2, and Vodafone – have agreed to a set of measures aimed at ensuring customers struggling to pay their bills during the cost of living crisis don't get cut off from essential services.

Millions of O2, Three and Virgin Mobile customers will be hit with price hikes of up to 11.7% this spring on the back of a sharp increase in the cost of living. The announcement comes just days after Sky confirmed it would be hiking prices by an average £43 a year (if you're affected, see our Sky-specific help on whether you can beat the hikes).

O2 and Virgin Mobile, now known as 'Virgin Media O2' since merging, have pledged to continue offering free mobile roaming in Europe. It means holidaying Brits can use their data, calls and texts as they would in the UK. It comes as other major providers announce plans to reintroduce roaming fees later this year. 

O2 mobile customers who send text messages outside of their standard allowance will see prices hiked from 2 August. The cost of calling service numbers is also set to increase. Some affected customers may be able to leave penalty-free as a result though - we've full details below.