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 (Ireland) Internet offered 1GB of data and 350 any network texts. Same terms applied as per Freedom talk. In December 2013 the data allowance of 1GB was increased to 7.5GB which O2 advertised as Unlimited Internet. Along with the new price plan O2 also launched a vast amount of prepay addons such as Talk, Text, Data, International Talk and International text. In 2010, O2 underwent a restructuring phase, implementing a number of cost-cutting measures which involved outsourcing internal divisions to external companies. O2's IT division was outsourced to IBM Ireland, while the "Network Operations" division was outsourced to BT Ireland ("who