I don't think I've ever turned on the WiFi debugging. Note also that I always connect my devices with a Lightning cable. Maybe I managed to accidentally flip a switch in Xcode by using Xcode 10.3 but it looks like it's just an issue of the order you do things and good old turn-it-off-and-on-again by killing Xcode and reattaching the device. I did the sym link trick, quite Xcode & simulators, disconnected and re-attached my iPad running iOS 13 and relaunched Xcode 10.2.1. I went back to Xcode 10.2.1 and confirmed I could NOT run on my iOS 13 device:

Lrwxr-xr-x 1 geoff staff 93 25 Jul 11:32 13.0 -> /Applications/Xcode11b4.app/Contents/Developer/Platforms/atform/DeviceSupport/13.0ĮDIT: on further experimentation, it looks like maybe I just reproduced result ( ) and Xcode 10.3 isn't at all relevant. Villanelle:DeviceSupport geoff$ ls -l 13.0 Applications/Xcode10.3.app/Contents/Developer/Platforms/atform/DeviceSupport I can build on Xcode 10.3 and install on a real device running iOS 13 beta 4. I just got it to work with Xcode 10.3! I.e.

Looks like Xcode 11 changes the game here, this no longer works. Download latest beta profiles for iOS, iPadOS, macOS, watchOS and tvOS.

Does deleting ios 12 beta profile bring you back updates for ios 11