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  • Be the Top Dog

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

    More about O2 Refresh
  • The HTC One M9 is here

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

    Buy now
  • Bigger than ever Big Bundles

    Get our best value Pay & Go sim - now with extra minutes when you top up before 6 May. Terms apply.

    Choose your 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.

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.