Schematic for the Samsung Galaxy S5 mini LTE in the SM-G800Y variant, provided as a 6.75 MB PDF. The Y suffix denotes a regional version of the G800 family, so the document should be matched to that exact board rather than to the F or H models. Technicians use such diagrams to locate a shorted capacitor, trace voltages from the power IC, and follow signals to display, camera and SIM connectors. Any PDF viewer will open it; confirm the model label before trusting component references.
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 @uzb4422. 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.