Schematic PDF of about 15.1 MB whose name indicates a Note 10 Plus device, most likely a smartphone, but no manufacturer or board number is given. Confirm that the document matches the actual handset before using it. Phone schematics show the PMIC rails, battery and charging circuits, display and camera connector pinouts, and RF sections. They help with current-draw diagnosis, finding shorted capacitors and checking signal continuity. Open it in any PDF viewer and search by component designator or net name when tracing faults.
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_mobile5. 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.