iPhone 4G Schematic Diagram PCB Layout With Details
https://gsmfixer.blogspot.com/2015/10/iphone-4g-schematic-diagram-pcb-layout.html
Here are two schematic diagrams for iPhone 4G which are showing the basic component of the phone with details. In these diagrams each component is given a color and the details of these components are written above the diagram.
iPhone 4G Schematic Diagram Back Side PCB Layout:
iPhone 4G Schematic Diagram Front Side PCB Layout:
iPhone 4G Schematic Diagram Back Side PCB Layout:
iPhone 4G Schematic Diagram Front Side PCB Layout: