Small 788 KB RAR archive for the OPPO R9 smartphone. The name states only the model, and the contents, likely a handful of schematic or layout pages given the size, have to be checked after extraction. Documents like these help a technician follow charging and PMIC rails, locate connectors and test points, and isolate shorts on the logic board. Confirm whether the phone is the standard R9 or the R9 Plus, and match the board markings with the drawings before trusting component positions.
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 @cyberlanelectonik. 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.