O2 (UK) first commercial General Packet Radio Service. BT Cellnet, together with BT Group's mobile telecommunications businesses in Germany, Ireland and the Netherlands, was part of the BT Wireless division. This was spun off from the BT Group in 2002 to form a new holding company, mmO2 plc, which introduced the new "O2" brand for the businesses. In 2005, mmO2 plc was renamed O2 plc. O2 plc was purchased by the Spanish telecommunications company Telefónica in 2006 for £18 billion. Under the terms of the acquisition, Telefónica agreed to retain the "O2" brand and the company's UK headquarters. O2 plc became Telefónica
O2 (UK) access to all events at O2 Academy venues as well as Live Nation promoted events across the United Kingdom. The partnership was renewed in 2017 for a further ten years. O2 customers receive 48-hour pre-sales access to approximately 4,500 events each year as well as perks at the venues themselves. Perks include O2 Academy Angels in the venue with giveaways; a warm-up bar with bespoke music themed furniture and games, free artist content bluetoothed to customers phones and live experiences such as mobile phone "tattooing". O2 Academy venues: In February 2009, O2 became the first mobile telecommunications provider to be