o2

The UK market will most likely remain with four main operators, says O2 CEO

Company teams up with Telefonica-backed operator to launch 4G services

Ofcom finds 4G speeds in the UK are twice as fast as 3G, with each network ranked individually

Telefonica’s Ronan Dunne says leadership, creativity and education are needed to make the UK a technological superpower

4G mobile speeds in the UK have reportedly halved as more people sign up for the service

Plans to let mobile users "roam" on to other networks have met with resistance, but may be part of the solution to "notspots"

Plans to introduce national roaming in the UK will reportedly be announced this week

Operators partner with Boku to allow payments to be made using mobile phones

Phones 4u has entered administration after Vodafone and EE decide not to renew resale contracts with high street firm

Small businesses are encouraged to upgrade their systems with cloud-based tech

EE provides the best service across all categories including mobile internet, according to survey

If you're on EE, O2, Three or Vodafone, you should notice an improvement in your mobile signal if you live in a National Park

London Technology Week sees discussion of the cloud, attracting young people to IT and more

4G speeds, cost and coverage put to the test

EE customers call for compensation after network outage leaves them unable to make calls or send texts.

Watchdog's report concludes 4G auction was fair and competitive, but the jury's still out on its efficiency.

Report by Cebr and O2 suggests British businesses are losing out by not fully embracing certain technologies.

Mobile operator accused of side-stepping new Ofcom rules by announcing price hike on same day.

Mobile regulator shines a light on complaint volumes against mobile operators and telcos during Q3.

O2 has launched new tariff offerings as its coverage pulls ahead of schedule.

Mobile operator hails fast pace of 4G deployment, and claims 17 million people can now access it.

Telco has joined forces with EE to provide employees and customers with access to its network.

Vodafone, EE, O2 and Three could be forced to pay £245m extra to deliver mobile services.

EE, O2 and Vodafone announce expansion plans for 4G networks.