Archive for the Xiaomi Redmi Note 9 smartphone, 17.9 MB in rar format, filed as firmware. The name gives no version, region or content detail, so open it to find out whether it holds flash images, service files or board diagrams. Material like this helps fix boot faults or trace power rails, charging and display circuits on the phone's board. Make sure the contents match the exact model variant, and back up the original partitions before writing anything to the device.
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 @SMART_PHONE_SCHEMATICS. 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 →