Carrier Check + Simlock by Serial GSX-S2
Kiểm tra nhà mạng lock.Nếu là máy quốc tế chỉ hiện Unlocked
Checks the current carrier your device is locked to (Next Tether) and SIM Lock Status.
If your device is SIM Unlocked, then obviously it is not locked to a particular network, meaning no carrier will be provided.
Use Full GSX check to view initial carrier or Applied carrier network.