RAR archive of 9.22 MB labelled only A5000, with no brand, document type or board revision stated in the name. The token likely refers to a phone or device model, but the contents cannot be confirmed without opening it. Service archives of this size typically bundle schematics, layout drawings or firmware files. Extract it with WinRAR or 7-Zip, inspect each file, and compare any board number found inside against the PCB marking before using it to trace rails or locate components on a real board.
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 @Schematic_mobile_iran. 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.