PDF schematic for the SM7635 processor, as the name indicates, without any handset or board number given. At 1.97 MB it is readable in any standard PDF viewer. Repair engineers use SoC-level pages to locate core and memory supply rails, PMIC links, crystal and clock signals, and interface buses when a smartphone will not boot or draws abnormal current. Since the target device is unknown, confirm that net labels and reference designators correspond to the phone on your bench before measuring.
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 @mischematic. 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.