- Copy or symlink the
iPhoneOS.Platform
'sDeviceSupport
into Xcode 8 (guide):
sudo ln -s /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/11.0\ \(15A5278f\) /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/11.0
- Make sure you use the right xcode tools:
sudo xcode-select -s /Applications/Xcode.app
Assuming Xcode 8 is Xcode.app
and Xcode 9 is Xcode-beta.app
sudo mkdir /Library/Developer/CoreSimulator/Profiles/Runtimes/Backup
sudo mv /Library/Developer/CoreSimulator/Profiles/Runtimes/{,Backup/}iOS\ 10.3.simruntime
sudo killall -9 com.apple.CoreSimulator.CoreSimulatorService