- 1). Attach the USB power adapter to the Dock Connector to USB cable. Plug the dock end of the cable to the dock connector on your iPhone, and plug the USB power adapter into an outlet. The picture of the battery on the screen will completely fill with green to signify a full charge.
- 2). Attach the Dock Connector to USB Cable to the iPhone through the dock connector and to your Mac or PC computer through the USB port. The computer will charge the iPhone, unless the computer is in sleep mode or off. In this case, the computer may attempt to draw power from the iPhone instead. The picture of the battery on the screen will completely fill with green to signify a full charge.
- 3). Plug an iPhone car charger in to the power outlet in your car, and to the iPhone through the dock connector. The picture of the battery on the screen will completely fill with green to signify a full charge.
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