O2 Additional Line

Existing customers get more

  • Get 20% off your Airtime Plan on O2 Refresh, or 10% off selected sim only tariffs, when you get an additional line with us.
Find out more

Whether you want a new a tablet for yourself, or another phone for one of the family, we'll reward your loyalty with an O2 Additional Line discount.

Offer details

Get 20% off selected Airtime Plans on O2 Refresh, 10% off our 20GB and 25GB 12 month sim only phone tariffs, or 10% off 12 month and 30 day sim only tablet or mobile broadband tariffs. The offer doesn't apply to your Device Plan.


You can't get this discount in conjunction with any other offers, such as:

  • Phones: our 20GB for the price of 5GB and 30GB for the price of 10GB promotional O2 Refresh phone tariffs,
  • Tablets: our 'Get free airtime for 3 months' promotional O2 Refresh tablet tariffs.

Or on plans that are incompatible, like:

  • 12 month sim only: our 8GB and below promotional sim only phone tariffs.
  • 30 day sim only: our 30 day sim only phone tariffs.

How do I get it?

Choose your new phone, tablet or sim from our online shop, then text LOYALTY to 21500. If you're eligible, your additional line discount will be added to your next bill.


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