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O2 5G mobile phone deals.

Experience the power of 5G on the O2 network. 5G and unlimited data now available on selected tariffs.

Samsung Galaxy S20 Plus 5G

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RPI+/CPI Price Increase - Each year, your Pay Monthly airtime tariff will be adjusted according to O2’s RPI price increase model, RPI+. Your bill will be adjusted in April by the RPI rate announced in February that year, plus 3.9%.