A BIOS / firmware dump for Xiaomi hardware. Shared as “Redmi_Note_12_4G_tapas_ENG_Firmware_Engineering_Rom_COMBINATION.zip” — a .zip file, 1.67 GB.
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 @mrepairo. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →