A 658 MB RAR archive named after Oxygen Forensic Detective version 18.3.0.80, a commercial suite for extracting and analysing data from phones and other mobile devices. The Arabic text in the name is a religious phrase rather than technical information, and nothing indicates the archive contains schematics, boardviews or firmware for hardware repair. Its size suggests an installer or part of a split set. Treat unofficial redistributions with caution, scan them thoroughly and rely on a properly licensed copy for real casework.
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 @phoneSchematics. 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.