UNLOCKED Samsung Galaxy S21 5G SM-G991U Phantom Gray, featuring a 6.2-inch 120Hz AMOLED display, Snapdragon 888 processor, 8GB RAM, and a triple-camera system. is highly versatile, working on all major U.S. carriers—Verizon, AT&T, and T-Mobile—plus their MVNOs (e.g., Metro, Cricket, Boost) LAST USED ON T-MOBILE. It supports Sub-6 5G and 4G LTE bands, ensuring compatibility with nationwide 5G networks. Currently, refurbished models are available for roughly $170–$270, making it a budget-friendly option