Turn off the phone. Hold Volume Down + Power (or connect USB while holding Volume Down).
Open the Huawei Flash Tool as Administrator. Click "Refresh Device." You should see your phone's serial number. huawei flash tool
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 . Turn off the phone
You own a 2022+ model (like P50, Mate 50, or Nova 10). These use HarmonyOS and proprietary partitions that HFT cannot read. Also, avoid it if you panic at a blue screen or cannot follow a 37-step XDA forum guide. The Bottom Line The Huawei Flash Tool is a powerful piece of software for a niche problem. It represents the ingenuity of the modding community stepping in where Huawei refused to go. If you manage to get it working, you can save a $500 phone from the e-waste bin. Click "Refresh Device