T-Mobile is a GSM network carrier and works with GSM cell phones. GSM – which stands for Global System for Mobile Communications – is one of two types of wireless frequencies used for cell phone service.
Read moreWhat frequency does T-Mobile use for 5G?
T-Mobile has fresh 600 MHz spectrum dedicated to 5G. Only the Un-carrier is capable of delivering nationwide 5G without taking spectrum away from other customers.
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