A:Answer This phone is universal unlocked and compatible with all major U.S. carriers, including Verizon, AT&T, Sprint, and T-Mobile. Straight talk is using all major U.S. carriers. So having this compatibility feature allows this phone to work with Straight talk. Moreover, this phone also works with prepaid carriers, including Cricket Wireless, Boost Mobile, MetroPCS, Simple Mobile, Total Wireless, Tracfone, Net10, Mint, and H2O.