SEA-TL00 9.1.1.162(C01) [SEA-TL00_cmcc_cn_R3] Huawei Official Stock Firmware [Stock, dload] [DownloadGSM.com] [DG]
SEA-TL00 9.1.1.180(C01) [SEA-TL00_cmcc_cn_R5] Huawei Official Stock Firmware [Stock, dload] [DownloadGSM.com] [DG]
Huawei official Firmware. Can be flash with MRT, Sigma, EFT Pro, HDE Flasher, and via SD card.