File for the Xiaomi Redmi 9A, filed as firmware and stored as a 2.27 MB RAR, with no further detail in the name about version, board or content. The small size suggests service documentation or a partial image rather than a complete phone ROM, so inspect the archive before use. If it is a flash file, use the proper flashing tool and back up the existing data first. If it is a diagram, use it to trace rails and locate components, checking the board version matches.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @mischematic. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →