The new EE brand will begin rolling out Britain's first 4G mobile broadband service on 30 October, it announced today.
The service will be available in 10 cities including Birmingham, London and Manchester on 30 October and a further six by the end of the year (you can see the full list at the bottom of this article).
Chief executive Olaf Swantee said: "This is a significant milestone for the United Kingdom, and for the people and businesses of our country who will now be able to enjoy the huge advantages of superfast 4G technology for the first time.
“We are very proud to be pioneering, innovating and leading our industry in launching 4G for our nation through our new EE brand.”
EE will offer 4G on a range of handsets including the iPhone 5, Samsung, Nokia, HTC and Huawei devices.
At launch 4G will be available in Birmingham, Bristol, Cardiff, Edinburgh, Glasgow, Leeds, Liverpool, London, Manchester and Sheffield.
By the end of the year it will also be available in Belfast, Derby, Hull, Nottingham, Newcastle, Southampton.