[Fixed] iOS 17.0 Simulator – Failed – Registering simulator runtime with CoreSimulator falied – Xcode

The Problem:

Issue while installing the iOS 17.0 Simulator in Xcode beta: Failure in registering simulator runtime with CoreSimulator

The Solutions:

Solution 1: Download iOS 17 Simulator Runtime

1- Navigate to: https://developer.apple.com/download/all/
2- Sign in with your developer account.
3- Locate and download "iOS 17 Simulator Runtime".
4- Be patient as the download may take some time. (Consider using IDM or Chrome for better download resumption).
5- Open Terminal and run the following commands:

xcrun simctl runtime add "Path to downloaded dmg file"

Example: xcrun simctl runtime add "Downloads/iOS_17_Simulator_Runtime.dmg"

6- Finally, run the following command:

xcodebuild -downloadPlatform iOS

Note: Ensure you have enabled full access for Terminal in your Mac. If not, refer to: https://stackoverflow.com/questions/58100326/how-to-avoid-operation-not-permitted-on-macos-when-sudo-and-bypass-dont-d

Solution 2: Free Up More Disk Space

The error message "Failed – Registering simulator runtime with CoreSimulator failed" often indicates that there is insufficient free space on your disk. Follow these steps to address this issue:

1. Delete Unnecessary Simulators: Open Xcode and navigate to Product > Destination > Manage Run Destinations…. Under the Simulators tab, right-click and delete any old simulators that you no longer require.

2. Restart Your Mac: This step is essential to ensure that the changes you made take effect. Restart your Mac by clicking the Apple logo in the menu bar and selecting "Restart."

3. Reinstall iOS 17 Simulators: After restarting your Mac, you should be able to install the iOS 17 simulators without encountering the error message.

Ensure that you have sufficient free space on your disk before attempting to install the iOS 17 simulators. Additionally, you can try deleting any temporary files or unnecessary applications to free up more space.

Solution 3: Make sufficient space on the Hard Drive

The error message “Failed – Registering simulator runtime with CoreSimulator failed” can occur when there is insufficient storage space on the hard drive. To resolve this issue, free up some space on the hard drive by deleting unnecessary files, applications, or other data. Once you have made sufficient space, try downloading and installing the iOS 17.0 Simulator again.

Video Explanation:

The following video, titled "Related Video", provides additional insights and in-depth exploration related to the topics discussed in this post.

Comments16. Pedro Mayo. thanks alot. i only need to delete xcode cache to make it work. :).