Xcode 7 with iOS 9 device Error: device unavailable (Could not find a developer disk image)

Question

After updating my iPad to iOS 9 public beta, I am getting an error while trying the run the app in my iPad. When I select the iPad as destination, it says \"iPad (Unavailabl

Answer 1

I have experienced same issue

Could not find Developer Disk Image

1) My Xcode version was 7.0.1 and i updated my iPhone to version 9.2, then upon using Xcode my iPhone was shown in section of unavailable device. Just like in image below:

2) But then i somehow managed to select my iPhone by clicking at
Product -> Destination -> Unavailable Device

3) But that doesn't solved my problem and started showing

Could not find Developer Disk Image

Solution) Then finally i downloaded latest version of Xcode version 9.2 from https://developer.apple.com/downloads/ and everything worked fine for me.