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Some O2 customers saw 80pc faster 4G speeds after £500m investment
O2 customers in six cities saw speeds up to 26.9Mbps, the national average for O2 customers is 14.7Mbps
Ofcom kick off first 5G auction
The regulator has opened the bidding for the 2.3GHz and 3.4GHz bands, the latter earmarked for the initial rollout of 5G.