developer.apple.com/library/archive/documentation/IDEs/Conceptual/iOS_Simulator_Guide/TestingontheiOSSimulator/TestingontheiOSSimulator.html Testing and Debugging in Simulator Retired Document Important: The information in this document is deprecated in Xcode 9. For Xcode 9 and later, see Simulator Help by choosing Help > Simulator Help in Simulator. Testing and Debugging in Simulator Simulator ..