Common chapter of the Samsung SM-M307F service manual covering disassembly and reassembly, the 2.03 MB PDF labelled EVAPL. Such pages describe the order in which covers, flex cables, battery and boards are removed and refitted, with notes on adhesives and clips. Following it reduces the risk of tearing connectors or damaging the display during repair. The file opens in any PDF viewer; confirm the model code matches your Galaxy M30s unit.
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 @mobile_jump2. 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.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)