An archive of repair files for Samsung hardware. Shared as “ROOT SAMSUNG J730F U4 ANDROID 9.0 BY@Gsm_Turk_Team.tar” — a .tar file, 21.0 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 @Schematic_ir20. Enginerys does not host this file.