Cover page of the common Samsung SM-M307F service manual, a 66.3 KB PDF for the Galaxy M30s. It usually carries only the model identification, document title and version information rather than technical content. It is mostly useful to confirm which manual revision the other chapters, such as specification, troubleshooting and parts list, belong to. Open it in any PDF viewer and keep it with the rest of the set.
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)