There is no single "magic" zip file; rather, the process requires specific tools and the correct firmware for your exact model.
Any downgrade will trigger a factory reset , performing a low-level format that erases all local data. Backing up your phone is mandatory before starting. Common Methods to Downgrade Download Huawei Downgrader zip
Downgrading is not a standard feature for most users, and the term "zip" often refers to firmware packages or tools like used to facilitate the rollback. There is no single "magic" zip file; rather,