I just bought a new iPhone 5S, it's on iOS 7.04; I just jailbroke it and none of the tweaks I download work or show up in the settings. I read in several places that the solution to this problem is to reinstall Cydia Substrate and Subtrate Safe Mode. I have reinstalled and uninstalled both dozens of times and have had no luck. I have previously jailbroken in the past iPhones on iOS 5.1.1 and iOS 6.1.2 and have never had a problem. When I open Activator I guess this message. Does anybody have any idea what to do? The only solution I have found is to reinstall Cydia Substrate and Safe mode which has done absolutely zero to fix my problem. I'm thinking about returning my phone.