**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
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.