I want to set up my old iPhone 5 for my kids to use on WiFi at their's Mom's house. I don't want anyone to be able to see what I have on the phone (pictures, emails ect...) so I'm thinking that I should erase the phone and start from scratch. I started to do this and saw a message that said the phone would be removed from my iTunes account. When I bought my iPhone 6 I set it up from the stored backup that I did before I went to the store. I presume that update will be erased? I should probably back-up the iPhone 6 to insure that everything on there is saved incase I ever need it. Actually, it backs up to the Cloud but I want to keep a copy in iTunes on my computer. I'm just starting to look into family sharing now. Don't know if I'll be able to use that to set the phone up with apps that they usually use (mostly kids games) or if I will have to download them. I presume I will also be setting up a separate iTunes account too. I'm doing this so we can talk on FaceTime, they can play games and use Netflix when they aren't with me. Thanks!