I have a bunch of games that I made progress on with my ipad. I got an iphone 6 today and when I downloaded & installed the games, it does not recognize the progress I made in each game. I'm signed into Game Center on both devices. Is there a way to get the progress to sync? iCloud is turned off on both devices, does that need to be turned on for it to sync? I really don't want to have to start from scratch on my iphone.