You cannot flash random files. You need the Service ROM (Update.app) for your exact model number (e.g., LYA-L29). Extract the UPDATE.APP using a tool like Huawei Update Extractor to get the raw system.img , boot.img , and recovery.img .
Download and install Hisuite (official) and then manually install the Huawei USB COM 1.0 drivers via Device Manager. huawei flash tool
Select the partitions you extracted. Check "System," "Boot," and "Recovery." Click "Flash." Wait for the green "OKAY" message. You cannot flash random files
Disclaimer: Flashing custom software voids warranties and carries inherent risk. The author is not responsible for any data loss or hardware damage. Always ensure you have the correct firmware for your specific device model. huawei flash tool