Using over 600,000 real-world tests, Ookla has released the RootMetrics State of the Mobile Union report for the UK, covering mobile performance across all four nations and 16 major cities in the first half of 2026. Key takeaways include:EE, part of the BT family, continues to lead in UK-wide, nation, and metropolitan market testing: EE won or shared every UK-wide RootScore Award, including its 26th consecutive UK Overall RootScore Award, marking more than a decade as the UK’s top overall network. The operator also shared the UK-wide Text RootScore Award. Three again shared the UK-wide Text RootScore Award while earning Text RootScore Awards in all 16 metropolitan markets. The operator also earned three nation-level Text RootScore Awards.