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**RPI information for Pay Monthly contracts, including O2 Refresh and sim only tariffs
Each year O2 Refresh Airtime Plan/Pay Monthly tariffs will be adjusted on your April bill by the Retail Price Index (RPI) rate of inflation announced in the preceding February. Find out more

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We've got the hat-trick

For the third year in a row, we've been voted Website of the Year. And we won Best Pay As You Go Network in the uSwitch Mobile Awards 2017. Read up on our awards.