I\'ve updated to Xcode 7 and the latest iOS SDK. I\'ve added the appropriate entries in my app\'s plist:
My app\'s Facebook login works fine on device. Howe
After you have updated your App's .plist file with the LSApplicationQueriesSchemes array, which you seem to have already done:
Next, verify that your Facebook SDK is version 4.6.0. Follow the Facebook directions if it's not.
Lastly, which is probably where the problem arises, is to Reset your Simulator's content and settings
Apple's Simulator, even the IDE, will have bugs and closing and reopening, along with reseting the simulator, are always something to consider early on in your search for a solution.
Hope this helps!