PDF schematic for the Huawei Honor 4X smartphone, around 1.16 MB in size. The name gives no specific model code or board revision, and the Honor 4X shipped in several regional variants, so check that the document fits the board you are working on. Technicians use such diagrams to follow battery and charger paths, measure PMIC rails at the right points, and identify components near a suspected short. It opens in any PDF viewer, and text search often finds the part numbers and net names you need.
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 @Schematics_Mobile. 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.