Archive for the Apple iPhone 5, 10.3 MB in RAR format, with no board number, revision or document type mentioned. Expect schematic or boardview material for the logic board, useful for tracing power rails, locating test points and identifying shorted capacitors. Schematics open in a PDF reader while layouts need a boardview viewer. Before relying on part positions, confirm that the documents apply to your specific board version.
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 @schematicslaptop. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
7-ZipWinRARThe Unarchiver (macOS)