A subsidiary of Sprint, called USCellular. USGSM was founded on 20 10, and is an American operator providing wireless communication services. As a subsidiary of Sprint, USGSM provides mobile phone calls, text messages, Internet access and other services. Covering a wide range in the United States, it provides different packages and programs for users to choose from. As an operator, USGSM is committed to providing users with high-quality communication services and constantly innovating and developing to meet the needs of users.