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4G service available in selected areas with 4G coverage. 4G ready phones: 4G Sim, software update and tariff required to access 4G services. 4G speed will vary depending on location and number of people using the service. Potential speed claim based on Ofcom website info at: www.consumers.ofcom.org.uk/what-is-4g
 

O2 was winner or joint winner over the last 6 years in Ofcom’s mobile provider category customer surveys as follows: 2014, 2013, 2012, 2011Q1, 2011Q3, 2009. Read more about our awards.