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) computer monitor standby times. O2 is a voluntary participant in the climate change campaign, which required participants to cut their carbon emissions by 10 per cent by the end of 2010, and has since broadened its approach to include a range of projects focused on carbon reduction and renewable energy. In October 2017, an inquiry was launched in the UK concerning overcharging customers for handset sales integrated with the data and call charges. Responding to questions, O2's CEO indicated that the company's billing allows for separation of handset charges and telephony/data charges. He added that "if we can do it,