Schematic package for the Apple iPhone 13, supplied as a compact 542 KB ZIP archive. The name gives no board number or revision, so open the archive and confirm which logic board the drawings cover before tracing anything. Technicians use iPhone schematics to follow power rails from the PMIC, identify which line a shorted capacitor sits on, and locate test points for charging, display and baseband faults. Smartphone schematics are usually PDF pages, so any PDF reader works, ideally alongside a matching boardview for physical placement.
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 @schematic_mobile5. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.