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I am also facing same iuuses in xcode 11.4.1DetailsUnable to install "xyz"Domain: com.apple.dt.MobileDeviceErrorDomainCode: -402620388--No code signature found.Domain: com.apple.dt.MobileDeviceErrorDomainCode: -402620388User Info: { DVTRadarComponentKey = 261622; MobileDeviceErrorCode = "(0xE800801C)"; "com.apple.dtdevicekit.stacktrace" = ( 0 DTDeviceKitBase 0x000000011e68f81a DTDKCreateNSErrorFromAMDErrorCode + 233 1 DTDeviceKitBase 0x000000011e6d0f70 __90-[DTDKMobileDeviceToken installApplicationBundleAtPath:withOptions:andError:withCallback:]_block_invoke + 155 2 DVTFoundation 0x00000001051da155 DVTInvokeWithStrongOwnership + 73 3 DTDeviceKitBase 0x000000011e6d0ca8 -[DTDKMobileDeviceToken installApplicationBundleAtPath:withOptions:andError:withCallback:] + 1654 4 IDEiOSSupportCore 0x000000011e547e91 __118-[DVTiOSDevice(DVTiPhoneApplicationInstallation) processAppInstallSet:appUninstallSet:installOptions:completionBlock:]_block_invoke.352 + 4165 5 DVTFoundation 0x000000010530d7f4 __DVT_CALLING_CLIENT_BLOCK__ + 7 6 DVTFoundation 0x000000010530f436 __DVTDispatchAsync_block_invoke + 1194 7 libdispatch.dylib 0x00007fff703926c4 _dispatch_call_block_and_release + 12 8 libdispatch.dylib 0x00007fff70393658 _dispatch_client_callout + 8 9 libdispatch.dylib 0x00007fff70398c44 _dispatch_lane_serial_drain + 597 10 libdispatch.dylib 0x00007fff703995d6 _dispatch_lane_invoke + 363 11 libdispatch.dylib 0x00007fff703a2c09 _dispatch_workloop_worker_thread + 596 12 libsystem_pthread.dylib 0x00007fff705eda3d _pthread_wqthread + 290 13 libsystem_pthread.dylib 0x00007fff705ecb77 start_wqthread + 15);}--System InformationmacOS Version 10.15.4 (Build 19E287)Xcode 11.4.1 (16137)