STK-L22DV 10.0.0.221(C636) [STK-L22DV_hw_spcseas_R1] Huawei Official Stock Firmware [Stock, dload] [DownloadGSM.com] [DG]
STK-L22DV 10.0.0.189 (C636) [STK-L22DV_hw_spcseas_R1] Huawei Official Firmware [Stock, dload] [DG]
STK-L22DV 10.0.0.196 (C636) [STK-L22DV_hw_spcseas_R1] Huawei Official Firmware [Stock, dload] [DG]
STK-L22DV 9.1.0.334(C636) [STK-L22DV_hw_spcseas_R1] Huawei Official Stock Firmware [Service, dload] [DG]
Huawei official Firmware. Can be flash with MRT, Sigma, EFT Pro, HDE Flasher, and via SD card.