Customers can get $300 off an Apple iPhone X when purchased on a new line of service on device payment. New lines of service only. No plan or trade-in requirement. Discount applied through a 24-month recurring bill credit. This offer can be combined with $300 off select smartphones offer with trade-in required for a total savings of $600. Discount is applied via monthly bill credit over 24 months. Limited time offer. While supplies last. Product availability may vary by store. Offer subject to change without notice. See store for more details.