O2 Homepage

  • Get 12GB data for £18

    Save a tasty £15 a month for a year, with our new 12GB tariff. Grab it while you can. Ends 28 June.

    Get your sim
  • Get 3x more data

    Get 30GB for the price of 10GB with the Samsung Galaxy S7, OnePlus 3T, Sony Xperia XA1 and other selected phones. Ends 28 June.

    See the range
  • Feast on free credit

    With up to £25 free credit over five months, when you top up £15 a month.

    Pick a sim

*63% Refresh customers save 50% or more. Only Refresh customers eligible. 18+

**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. This year's rate is 2.6%.

We've got the hat-trick

For the third year in a row, we've been voted Website of the Year. We've also been named No.1 for Customer Service Satisfaction, 7 times in a row. And we won Best Pay As You Go Network in the uSwitch Mobile Awards 2017. Read up on our awards.