Author Topic: How to fix the error: Unable to determine simulator device to boot  (Read 4495 times)


  • Administrator
  • *****
  • Posts: 719
    • View Profile
If you are working with both Xcode 6 and Xcode 5, check your dock to make sure that only one instance of the Simulator is running!

All the best!
Kevin McNeish
Author of "Learn to Code in Swift":
« Last Edit: August 15, 2015, 03:54:30 PM by kjmcneish »