O2 Store O2 Store The O2 Store is a chain of retail stores operated by Telefónica Europe, specializing in mobile phones. As of January 2014, O2 has opened over 450 stores in the United Kingdom. O2 Stores come in 2 formats - Franchise and Retail. The latter are owned and maintained by O2 UK directly, as opposed to private investors. The majority of stores have an O2 Guru, effectively a Technical Specialist. This free service is offered to all consumers, whether they are a Telefonica customer or not. Aside from general information, mobile phones are the central motive for visiting an O2
O2 (UK) manufacturing Near Field Communication (NFC) technology in mobile phones in the United Kingdom. O2 and Vodafone signed a deal in June 2012 which will see the two companies 'pool' their network technology, creating a single national grid of 18,500 transmitter sites. Both networks will continue to carry their own independent mobile spectrum. In July 2012, O2 had to apologise to almost 8 million customers after a network switching subsystem failure led to a 24-hour blackout of the service across the UK and Ireland. The problem, which prevented a third of its customers' phones registering on the network, also affected customers