I bought this phone at BestBuy with Net10. No where on the packing did it indicate that it was locked to TMobile service. I have now had this phone for 1 month, without any data service available in my home area. No reception, the WIFI calling does not work, I cannot receive group text messages or any MMS. After literally spending 5 hours total on the phone with Net10, they refuse to send me a nanosim for AT&T service, they say thry cant unlock and wont update my APN. ZTE said this phone supports both ATT and TMobile but they cant help me because the phone is a NET10 device.