According to the recently-posted report, 'UK Handset Vendor Marketshare by Operator: Q4 2014', published under our Handset Country Share Tracker (HCST), Microsoft(Nokia, previously) captured the biggest handset market share at EE (Everything Everywhere) in three years in Q4 2014. Microsoft's WindowsPhone-based Lumia line-ups kept less than 10% market share in handset market at EE in H1 2014, but started to rise above 10% level from Q3 2014, and recorded the highest handset market share in three years in Q4 2014, largely due to the popularity of its Lumia 635 and 830 products.

The report, available to our paid clients for HCST service, tracks the quarterly handset vendor market share at the the other three major UK operators, Vodafone, O2 and Three, in addition to Everything Everywhere.