After all, the device has four different cables that connect the many components inside Apple's iconic smartphone. But understanding the iPhone 4's wiring diagram can be more than just a useful tool. It can also provide an insight into the inner-workings of one of the world's most popular smartphones.. This document contains a schematic for the iPhone 4, listing various components and their identifiers. It thanks several individuals and groups for their contributions.
Used in iPhone (1G, 3G and 3GS) mobile phones for charging, connecting to a PC via USB or Firewire, to a stereo via line-out, to a serial device (controlled via the Apple Accessory Protocol).. Learn how to decipher and understand the wiring diagram of an iPhone cable. This article provides a detailed explanation and visual representation of the different components and connections involved in an iPhone cable.