Fully UNLOCKED:tested compatible with AT&T,
T-mobile, Verizon, and small phone companies in general that use these
three major network towers, such as Tello, Boost Mobile, Cricket,
Consumer Cellular, Google Fi etc. Also tested and works properly with
international sims that roam and utilize AT&T, T-mobile, and Verizon
networks inside US. In the case you are not
sure, please send me a message requesting a test IMEI or leave me a
message which phone company you will be using so that I can do the
compatibility check for you.