Archive for the Xiaomi Redmi Note 9 smartphone, filed as firmware even though its name says it contains a schematic. The name gives no board revision or region. At 3.42 MB inside a RAR, it most likely holds circuit diagrams for tracing charging, power and display lines on the phone mainboard. Open it and check the contents before using it. Phone schematics are viewed with a PDF reader or dedicated phone repair tools, and the board variant must match the handset being repaired, because Redmi Note 9 sub-models differ.
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.
All sources (5)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @SMART_PHONE_SCHEMATICS | 7 Dec 2021 | Open file on RM Schematics |
| @pepeelectronica | 28 Apr 2022 | Open file on RM Schematics |
| @GENERAL_SMART_PHONE_SCHEMATICS | 11 Nov 2024 | Open file on RM Schematics |
| @cyberlanelectonik | 2 Aug 2026 | Open file on RM Schematics |
| @schematics_bios | 3 Aug 2026 | Open file on RM Schematics |
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 →