Through this article I want to share a bit about how to sync iPhone without the cable. I want to introduce you to the iOS feature called iTunes Wi-Fi Sync.
Nowadays, wireless technology is everywhere. You must admit that cables are a bit annoying, aren’t they?
You have to use the cable to sync the iPhone, but could iPhone sync without the cable, wirelessly?
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Sure it can. The feature came along with iOS 6. It is iTunes Wi-Fi Sync. The methods are so easy. By following these steps, you can throw away your iPhone cable (but wait a second, you will still need your iPhone cable for charging anyway, so no, don’t throw it away).
How To Sync iPhone Without Cable with iTunes Wi-Fi Sync Feature
iTunes on Mac/PC
Before you connect your iPhone, make sure that iPhone and your Mac/PC are connected to the same Wi-Fi network, and then connect your iPhone to iTunes by using cable first. You have to do this for the first time, but after this you are not gonna need the cable anymore. Next, On the Summary part, check the box: Sync with this iPhone over Wi-Fi.

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Then click Apply Button

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Unplug your cable, and you will see that your iPhone is still detected on iTunes without the cable.
iOS Settings
On your iPhone go to Settings >> General >> iTunes Wi-Fi Sync

Source: technobezz.com
This feature (iTunes Wi-Fi Sync ) can be used when you want to sync iPhone in the same WiFi network. You’ll see your device on iTunes application on your computer and sync whenever you want to, without the cable, but only through the same Wi-Fi network. So interesting, isn’t it?