Mobile networks performance ratings

Scores are out of 100

Which of the main mobile providers came out best for speed, reliability, value for money, ease of contact, quality of suport and roaming value: Giffgaff, SkyMobile, TescoMobile, O2, Three, Lebara. Vodafone BT Mobile EE

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Scores are calculated from the gross score of top-box responsesSource: 2025 survey of 1,022 Telegraph readers