An archive of repair files for Samsung hardware. Shared as “S7_EDGE_SM-G935F_SVC_Guide_Rev2_7.rar” — a .rar file, 1.46 MB.
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 @uzb4422. 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)