Xcode Beta 6 iOS 8: Simulator Not Working

Unable to run app in Simulator: Xcode beta 6 iOS 8

I solved it following these steps:

1. Open Xcode 6 beta
2. Go to the menu Xcode > Open Developer Tool > iOS Simulator
3. Even if an error dialog shows up, you still would have access to the iOS Simulator's menu
4. Select Hardware > Device > Manage Devices
5. Click on the little + sign at the bottom
6. Add (if missing) all the devices that you want, or delete and recreate the ones malfunctioning.
7. If anyone of the simulator is not working then right click on it and delete it and then re-create it again

Xcode 6 Beta iOS 8 Simulator can't access internet

I saw a lot of posts about re-starting the simulator, resetting the simulator settings, etc. I ended up re-installing X-Code, updating to X-Code 6.1, etc, etc. Still didn't have a connection to the network!

What ended up being the solution is I turned off my antivirus (TrendMicro). I had checked all the anti-virus settings before and didn't see any "block process connection". When I turned the whole thing off it solved the problem though.

XCode 7 (Beta 3 & 4) Could not download and install iOS 8.* simulator

I found another workaround on the Apple forums for this issue that does not require downloading/having other versions of Xcode. If you run Xcode using sudo the simulator downloads and installs work just fine:

sudo /Applications/Xcode.app/Contents/MacOS/Xcode

Note: Once the downloads and installs are complete you should quit Xcode and start it normally.

Update: XCool points out an important safety tip in the comments that I wanted to highlight here:

Make sure that you close any projects before opening Xcode using sudo, otherwise there'll be a lot of permission issues with any files that are currently open when the installation occurs.

Can I download iOS 13 beta 6 simulator for Xcode 11 beta 5?

No, you cannot.

Among other reasons, the iOS 13 beta releases for devices are compiled to run on the CPUs in those devices, which are A-series ARM CPUs. The simulator runs on the CPU in your Mac, which is an x86 CPU. The simulator does not emulate the ARM instruction set.

Unable to boot the iOS Simulator - xcode 6.0.1

Do you have DYLD_INSERT_LIBRARIES set? Check /etc/launchd.conf and look for launchd_sim crash logs in ~/Library/Logs/DiagnosticReports ... if so, this is a dupe of

Unable to boot iOS 8 Simulator

Using Xcode 6 on 10.9 no iOS 8.0 simulator available

I had the same problem after restoring from Time Machine on a new MacBook Pro and found the solution from Abel Pascual in the Developer Forums:

1. Open Xcode 6 beta
2. Go to the menu Xcode > Open Developer Tool > iOS Simulator
3. Even if an error dialog shows up, you still would have access to the iOS Simulator's menu
4. Select Hardware > Device > Manage Devices
5. Add (if missing) all the devices that you want, or delete and recreate the ones malfunctioning.

(You can check the devices at ~/Library/Developer/CoreSimulator/Devices).

Error opening iOS Simulator with iOS 8 beta version: Unable to boot the iOS Simulator

After I found some solutions on the web, a combination of procedures worked for me:

1. Close Xcode and iOS Simulator (and all related applications)

2. Install (or reinstall) Xcode6-Beta to Applications folder (direct from the .dmg file)

3. Open Xcode6-Beta and go to Xcode -> Preferences -> Locations -> Command Line Tools and select "Xcode 6.0" (be sure that you've selected the one in Applications folder)

4. Launch the iOS Simulator and go to iOS Simulator -> Reset Content and Settings...

5. Close all the applications and restart your mac (I unchecked "Reopen windows...")

6. Open Xcode6-beta and test the iOS Simulator

Good luck

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