O2 Homepage

  • Be the Top Dog

    On O2 Refresh your bill automatically halves* when your device is paid off.

    More about O2 Refresh
  • Pre-order the HTC One M9 today

    Get it now on O2 Refresh. With a free Fitbit Charge worth £99.99. Offer ends 6 May.

    Order it now
  • Out of this world sim only deal

    Check out our range of 12 month sim only deals. Including our £18 a month tariff - unlimited minutes and texts, plus 2GB data.

    See our sims

*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.

We're winners

Website of the Year 2014, plus No.1 network for customer service for the last 6 years according to Ofcom. Read up on our awards.