I too am having this issue. I have rebooted the device as well as my machine. Xcode version: 11.7 (11E801a) OS: 10.15.4 (19E266) Catalina Here is the error displayed in the Devices window: The current device configuration is unsupported. This iPhone X (Model A1865, A1901, A1902,… To run on this device, please update to a version of Xcode that supports iOS 13.6.1. You can download Xcode from the Mac App Store or the Apple Developer website. In the Issue Details: Details The current device configuration is unsupported. This iPhone X (Model A1865, A1901, A1902, A1903) is running iOS 13.6.1 (17G80), which is not supported by Xcode 11.7. Domain: com.apple.dtdevicekit Code: 601 Recovery Suggestion: To run on this device, please update to a version of Xcode that supports iOS 13.6.1. You can download Xcode from the Mac App Store or the Apple Developer website. User Info: {   DVTRadarComponentKey = 487927;   DeviceType = "iPhone10,3"; }- Unable to locate ideal DDI for platform: <DVTPlatform:0x7feface39c20:'com.apple.platform.iphoneos':<DVTFilePath:0x7feface39ba0:'/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform'>>, version: 13.6.1, build: 17G80 Domain: com.apple.dt.DVTDeviceSupportFilesError Code: 2 User Info: {   DVTRadarComponentKey = 487927; }- System Information macOS Version 10.15.4 (Build 19E266) Xcode 11.7 (16142)

I fixed the issue. I needed to update my device to 13.7. Don't know why but that resolved it.