T-Mobile US, Inc. is a wireless company. As of December 31, 2016, the Company provided wireless communications services, including voice, messaging and data, to over 71 million customers in the postpaid, prepaid and wholesale markets. It provides services, devices and accessories across its brands, T-Mobile and MetroPCS. It provides wireless communication services through a range of service plan options. The Company offers a device trade-in program, Just Upgrade My Phone (JUMP!), which provides customers a specified-price trade-in credit and upgrade eligibility after approximately six months of service; Equipment Installment Plan (EIP), which is designed to provide financing to customers for the purchase of devices, and installment agreements for accessories; T-Mobile Tuesdays, which offers customers free stuff and access to various offers from brands; and T-Mobile ONE and Simple Choice plans.