T-Mobile US, Inc. is a provider of mobile communications services, including voice, messaging and data, under its flagship brands, T-Mobile and Metro by T-Mobile, in the United States, Puerto Rico and the United States Virgin Islands. The Company provides mobile communications services primarily using its fourth generation (4G) long term evolution network and its fifth generation (5G) technology network. It also offers a selection of wireless devices, including handsets, tablets and other mobile communication devices, and accessories for sale, as well as financing through equipment installment plans and leasing through JUMP! On Demand. The Company’s primary service plan offers signature Magenta plan, which includes, among other benefits, unlimited talk, text and smartphone data on its network, 5G access at no extra cost. Customers can also choose additional features, such as unlimited premium data with its Ultra Capacity 5G service, for an additional cost on its Magenta Max plan.