Up to 50% off on SIM Only Tariffs for 6 months (the "Offer") - Offer terms & conditions

1. Eligibility: Offer available to new and upgrading customers who sign up to a 30-day or 12-month minimum term contract (accepting the standard O2 Pay Monthly Terms, and subject to status and credit check) ("Eligible Customers") with a SIM Only tariff package ("Qualifying Contract") in the Offer Period.
2. Offer Period: 00:01 on 22 December 2016 to 23:59 on 01 February 2017.
3. How to participate: Eligible Customers must select and sign up to a Qualifying Contract during the Offer Period ("Participants"). Customers whose applications or orders for the Qualifying Contract are not successful or whose orders are not accepted within the Offer Period are not eligible and cannot participate in this Offer.
4. Offer Contents: Participants will automatically receive:
   a. A 30% discount on the standard tariff price of a Qualifying Contract for the first 6 months on tariffs that up to and including 1GB of data; Or
   b. A 50% discount on the standard tariff price of a Qualifying Contract for the first 6 months on tariffs that include 2GB or more of data.
   The discount will be applied to the Participant's tariff for 6 months from the Qualifying Contract start date as long as they remain on the Qualifying Contract. Participants who switch tariffs for whatever reason, whose Qualifying Contract has been ended (either by the Participant or Us) or who fail to comply with any of the terms of this Offer will cease to qualify.  Customers who disconnect and reconnect (for whatever reason) will no longer be eligible for this Offer.
5. Amending or withdrawing the Offer: O2 reserves the right to withdraw or amend this Offer at any time on reasonable notice.
6. Existing customers: Existing customers must upgrade and change to an eligible calling plan to take up this Offer. In these circumstances any unused inclusive allowance will be lost.
7. Pay Monthly Terms apply: Connection to pay monthly is subject to status and credit check.
8. No cash alternatives are available.
9. This Offer cannot be used in conjunction with any other offer.
10. If any provision of these terms and conditions is held invalid by any law, rule, order or regulation of any government, or by the final determination of any court of a competent jurisdiction, such invalidity shall not affect the enforceability of any other provisions not held to be invalid.
11. This Offer is governed by English Law and is subject to the exclusive jurisdiction of the English courts.
12. The Promoter: Telefónica UK Limited, 260 Bath Road, Slough, Berkshire, SL1 4DX (“O2”) or (“Us”).