Service schematic for the Samsung SM-A320F smartphone, the Galaxy A3 2017 model code, supplied as a ZIP archive of about 928 KB. Unpack it to reach the circuit diagrams. Phone technicians use such pages to trace charging and power paths, check connector pinouts and locate the parts that feed the display, battery or USB circuits. It also helps pinpoint which component is causing a short. Confirm that the model and variant code on the device label match before working from these drawings.
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 @phoneSchematics. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.