** If you find an upgrade or pay monthly deal for less at O2, EE or Vodafone, we'll match it and pay the equivalent of your first month's standard line rental via cheque. Applies to published prices only where the handset is in stock and available for immediate purchase or dispatch. Proof of competitor price required. Applies to deals on a like for like basis, offered in the same sales channel and may be claimed at the time of purchase or up to 14 days after. Cannot be used in conjunction with other deals, including cash back, personalised variations offered directly to individual customers, offers via third parties or pre-order incentives. Terms and conditions apply. Ask in-store or see here for details.