Large RAR archive of 567 MB whose name refers to fixing a blocked WhatsApp number. The name gives no device model, board number or detailed contents, so what it holds cannot be confirmed without extracting it. It probably contains phone-service tools or instructions rather than schematics or firmware. Scan the extracted files with antivirus software before running anything, and treat bundled executables with caution, since archives of this kind often hold unverified third-party utilities.
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 @mrepairo. 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.