Error: 2021-09-06 20:18:52.177 xcodebuild[23228:439824] iPhoneConnect: ?<DVTiOSDevice (0x7fccf5a97780), iPhone 6 jose luis, iPhone, 14.4.1 (18D61), 728ae7c609cca41099e0df2b077eaeff0eeb5b7b> unable to mount developer disk image, (Error Domain=com.apple.dtdevicekit Code=601 "The current device configuration is unsupported. This iPhone 6s Plus is running iOS 14.4.1 (18D61), which is not supported by Xcode 12.1." UserInfo={NSLocalizedDescription=The current device configuration is unsupported. This iPhone 6s Plus is running iOS 14.4.1 (18D61), which is not supported by Xcode 12.1., NSLocalizedRecoverySuggestion=To run on this device, please update to a version of Xcode that supports iOS 14.4.1. You can download Xcode from the Mac App Store or the Apple Developer website., DVTRadarComponentKey=487927, DeviceType=iPhone8,2, NSUnderlyingError=0x7fccf6197bd0 {Error Domain=com.apple.dt.DVTDeviceSupportFilesError Code=2 "Unable to locate ideal DDI for platform: <DVTPlatform:0x7fccf2e23b80:'com.apple.platform.iphoneos':<DVTFilePath:0x7fccf2e23a00:'/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform'>>, version: 14.4.1, build: 18D61" UserInfo={NSLocalizedDescription=Unable to locate ideal DDI for platform: <DVTPlatform:0x7fccf2e23b80:'com.apple.platform.iphoneos':<DVTFilePath:0x7fccf2e23a00:'/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform'>>, version: 14.4.1, build: 18D61, DVTRadarComponentKey=487927}}}) {
DVTRadarComponentKey = 487927;
DeviceType = "iPhone8,2";
NSLocalizedDescription = "The current device configuration is unsupported. This iPhone 6s Plus is running iOS 14.4.1 (18D61), which is not supported by Xcode 12.1.";
NSLocalizedRecoverySuggestion = "To run on this device, please update to a version of Xcode that supports iOS 14.4.1. You can download Xcode from the Mac App Store or the Apple Developer website.";
NSUnderlyingError = "Error Domain=com.apple.dt.DVTDeviceSupportFilesError Code=2 \"Unable to locate ideal DDI for platform: <DVTPlatform:0x7fccf2e23b80:'com.apple.platform.iphoneos':<DVTFilePath:0x7fccf2e23a00:'/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform'>>, version: 14.4.1, build: 18D61\" UserInfo={NSLocalizedDescription=Unable to locate ideal DDI for platform: <DVTPlatform:0x7fccf2e23b80:'com.apple.platform.iphoneos':<DVTFilePath:0x7fccf2e23a00:'/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform'>>, version: 14.4.1, build: 18D61, DVTRadarComponentKey=487927}";
}
2021-09-06 20:18:52.178 xcodebuild[23228:439224] [MT] iPhoneConnect: ?<DVTiOSDevice (0x7fccf5a97780), iPhone 6 jose luis, iPhone, 14.4.1 (18D61), 728ae7c609cca41099e0df2b077eaeff0eeb5b7b> -- An error occurred whilst preparing device for development -- The current device configuration is unsupported. This iPhone 6s Plus is running iOS 14.4.1 (18D61), which is not supported by Xcode 12.1.
Domain: com.apple.dtdevicekit
Code: 601
Recovery Suggestion: To run on this device, please update to a version of Xcode that supports iOS 14.4.1. You can download Xcode from the Mac App Store or the Apple Developer website.
User Info: {
DVTRadarComponentKey = 487927;
DeviceType = "iPhone8,2";
}