How to set up wireless (Wi-Fi) sync between my Windows phone and Windows computer with Zune?

If you don't want to physically connect your phone to your computer every time you need to sync, you can set up your phone to automatically sync with your computer over your home Wi-Fi network.

1. Connect your phone to your PC using the USB cable that came with your phone.

2. In the Zune software, click Settings > Phone > Wireless Sync.

3. Follow the on-screen instructions in the Zune software.

4. After you've completed the steps above, files will automatically sync with your phone wirelessly when the following conditions are met:

• Your phone and PC are both connected to your home Wi-Fi network. Note that wireless sync is not supported on workplace Wi-Fi networks.
• Your phone battery has at least a medium-level charge ( Battery icon at medium-level) and your phone is connected to an AC power adapter (that is, your phone must be connected to the wall charger and not connected to your computer).
• You're not interacting with your phone. For example, you're not touching things on the screen, the backlight is off, and music and videos aren't playing (it's OK if a song or video is paused).

It might take up to 15 minutes for wireless sync to start, and there is no way to manually force it to occur.

The picture below shows you the Wireless Wi-Fi sync setup screen in Zune: