We carry more data than any other mobile network operator. In Q2 2017 our share of total UK mobile data traffic was 36%. EE carried 33%, O2 carried 18% and Vodafone 13% (all figures rounded to the nearest%).
We are the network of choice for data users with customers on our network using on average 6.9GB per month (As of June 30 2017).
Source: Enders Analysis.