Schematic PDF of 10.9 MB labelled SM-M307, the Samsung Galaxy M30s model code, with no regional suffix or revision stated in the name. The file can be used to follow power distribution from the PMIC, the charging path, and lines to the display, cameras and SIM or storage. When a board shows a short on a main rail or a dead peripheral, the schematic shows which parts to measure. Open it in a PDF viewer, search net names, and confirm the exact variant and board revision before relying on the pages.
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.