I tried to sync my phone using Finder on my Mac. I got a message saying something like "phone failed to sync." A comment on the general Apple site said that you have to restore factory settings on the phone if you get that message. That means I would lose all the data on my phone, so, I tried to figure out if the phone is backed up in any way. I looked in the iCloud setting and found a listing for phone with a number of MB behind it. Does that mean my phone contents is on the cloud somewhere? If not, how do I back it up?