Unlock Firmware Zain Bahrain Huawei E5577S-321 21.200.07.02.1367
Unlock Firmware Ltt Libya Huawei E5577S-321 21.328.62.06.1410
Unlock Firmware Ltt Libya Huawei E5577S-321 21.328.62.00.1410
Unlock Firmware Hungary Telenor Huawei E5577S-321 21.316.01.01.77
Unlock Firmware Hungary Telenor Huawei E5577S-321 21.316.01.00.77