(Telecompaper) EE has been named as the number one mobile network in the UK following tests by RootMetrics, which assessed all four major network operators. RootMetrics collected 840,000 test samples, with EE come top for network performance in all major categories in the UK. It came top for network reliability, speed, mobile internet performance, call performance and text performance. EE also took the top spot overall in England, Scotland and Northern Ireland, and was joint top in Wales. EE was top or joint top in all categories in all nations.