iPhone is not available. Please reconnect the device. / iOS 14.2 - Xcode 12.1

Question

I just updated my iPhone to iOS 14.2.

When I want to launch an app on the device from Xcode, I now keep seeing this:

I also just updated Xcode to Version 1

Answer 1

Per the official post from Apple, devices running iOS 14.2 are only supported in Xcode 12.2 RC. (source: https://developer.apple.com/documentation/ios-ipados-release-notes/ios-ipados-14_2-release-notes)

You can download beta versions of Xcode via: https://developer.apple.com/download/