Look for on forums like:
If you need the scatter file for a specific stock firmware version (e.g., bg2-w09 9.1.0.xxx), you’ll need to extract it from the official Huawei update package (UPDATE.APP) using tools like Huawei Update Extractor .
This comprehensive guide will walk you everything you need to know about scatter files, why they are essential for unbricking the BG2-W09, where to find them, and how to use them safely using tools like SP Flash Tool.