Schematic diagrams in PDF for the Xiaomi POCO M3 smartphone, archived as a 4.20 MB RAR. Note that the name refers to the standard POCO M3, not the M3 Pro 5G, which is a different board. The drawings help when tracing the power management IC outputs, USB charging circuit, battery connector and key signals for display or audio faults. The name gives no revision, so compare reference designators with the components on your board before relying on them.
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.
7-ZipWinRARThe Unarchiver (macOS)