A BIOS / firmware dump for Xiaomi hardware. Shared as “Poco X2-Redmi K30 4G Schematic-MobileRdx.com.rar” — a .rar file, 942 KB.
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 @schematic_mobile5. 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.
7-ZipWinRARThe Unarchiver (macOS)
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →