PDF schematic of 3.67 MB named I8160, which matches the Samsung Galaxy Ace 2 model code GT-I8160, though the name states no brand, revision or contents. Board-level technicians use such drawings to trace supply rails, check charging and USB circuits, read connector pinouts and find components on a shorted net. A standard PDF reader opens it. Confirm the model label and the PCB revision on the board match the document before trusting values.
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_mobiles. 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)