Use MTK Extractor on the update.app (if Huawei’s proprietary format) or download a pre-scattered package.
This is where becomes critical. The stock DA (Download Agent) is rejected by newer preloaders. Solution: Use a custom DA file or repack the firmware. Use MTK Extractor on the update
Typically SP Flash Tool is used for MediaTek-based devices like the Use MTK Extractor on the update
The tool will automatically load all necessary partitions (Preloader, Recovery, System, etc.). Use MTK Extractor on the update