Is there a way to change how often your phone is backed up when you connect it to your computer? I like to keep it plugged in when I'm using my MBP just so I know it's charged, but sometimes if I have to disconnect it to walk away and take a call when I reconnect it it does a complete backup again. Right now I'm not even using .5GB and it already takes forever to backup. If I just want to add a song I don't want to have to change it to manually manage music and videos each time.