TRT-L21A TRT-L21C432B181 [ANDROID 7.0] Huawei Official Firmware [DG]
TRT-L21A TRT-L21C432B175 [ANDROID 7.0] Huawei Official Firmware [DG]
TRT-L21A TRT-L21C09B168 [ANDROID 7.0] Huawei Official Firmware [DG]
TRT-L21A TRT-L21C09B167 [ANDROID 7.0] Huawei Official Firmware [DG]
Huawei official Firmware. Can be flash with MRT, Sigma, EFT Pro, HDE Flasher, and via SD card.