With their award-winning network coverage, flexible tariffs and great customer service, O2 is the mobile network of choice for many. If you're thinking about switching to O2, the fact that it's the second largest mobile network in the UK and offers the O2 customer priority benefits like early access tickets to gigs and events at O2 Academies and the O2 Arena in Greenwich might tempt you. O2 started off in the 80s with BT and was bought by Spanish mega telecommunications company, Telefonica in 2006, still keeping its name and brand
Don't have O2 Priority? You can order a free O2 sim card from here.
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