Three-level block diagram for the E7S project, the Xiaomi code for the Redmi Note 5, supplied in an unlocked copy.

Schematic and block diagram set for the Xiaomi Redmi Note 4, catalogued as firmware but described by its name as circuit documentation.

Schematic and block diagram for the Xiaomi Redmi 3, with code 88509 and 1.27 in the name, probably a document number and revision.

Repair documentation for the Sony VAIO PCG-FR825CP, whose motherboard was designed by Quanta under the project code RB1, revision 1A.

Xiaomi Redmi K20 service archive in RAR format, about 1.36 MB, listed under firmware. The name gives only the phone model, with no board number, revision or note on…

Schematic material for the Xiaomi Redmi 5A packed in a 2.84 MB ZIP archive; the sch prefix indicates schematic diagrams, even though the entry is filed under firmware.

Samsung SM-A920F service manual in PDF form, compressed inside an 8.70 MB ZIP archive and catalogued as a schematic.