Current T-Mobile family plan customers: Free Samsung Highlight smartphone offer available only when upgrading the primary line on a family plan. This offer is fulfilled by Simplexity, LLC, an authorized dealer for T-Mobile. This offer is only available with select service plans, features and a two-year subscriber agreement, and is subject to eligibility check by T-Mobile, including credit approval or deposit for new customers. Free Samsung Highlight offer applies to primary and second lines only. Not all US markets are served by T-Mobile. Activation and early termination fees apply. Additional restrictions apply. See full offer for details. Offer valid for a limited time only. In-store price as of 10/2 in Washington DC.