Samsung SM-G928C schematic supplied as a 4.85 MB PDF, covering the logic board of this Galaxy model. Repair technicians rely on such diagrams to trace voltage rails, find which capacitor or coil sits on a shorted line, and follow signals between the application processor, memory, display and charging circuitry. Any standard PDF viewer will display it, with searchable text in most service documents. No board revision appears in the file name, so check that your board markings correspond before trusting specific part values.
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_mobiles. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.