UK carriers EE and Three have agreed to build the next stage of their basic 4G networks together, including sharing mast infrastructure and transmission costs, according to the Financial Times. Both operators plan to invest a combined £1bn to complete their telecoms infrastructure. 

EE already have two million 4G customers and provides 4G coverage to nearly 70% of the UK population.

Three UK plans to have 4G coverage in 50 cities by the end of 2014 and 98% of the population covered by 4G by the end of 2015.

source: FT