How to use iTunes Wi-Fi Sync on my Apple iPhone 6
Your Apple iPhone 6 can be set to sync over Wi-Fi. This way, you don't need to connect to a computer to sync.
1. Ensure you are connected to your Wi-Fi network.
2. On your computer, launch iTunes.
3. Your Apple iPhone 6 will be detected by iTunes after a short while.
4. Click on the name of your Apple iPhone 6.
5. Click Sync.
6. Your Apple iPhone 6 will now be synced.