Distribution Method: Custom -> Release Testing Errors: canceled by client MobileInstallation for reason Error Domain=IXUserPresentableErrorDomain Code=14 "This app was not installed because its integrity could not be verified." installcoordinationd(MobileInstallation)[161] : {app-id}:5:11:1:1:Updating PlaceholderMetadata for {app-id} with failure 14 <LSInstallType 7, underlyingError (Error Domain=MIInstallerErrorDomain Code=13 "Failed to verify code signature of /var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.M4M4uv/extracted/Payload/{app-name} : 0xe8008015 (A valid provisioning profile for this executable was not found.)" UserInfo={LibMISErrorNumber=-402620395, LegacyErrorString=ApplicationVerificationFailed, SourceFileLine=75, FunctionName=+[MICodeSigningVerifier _validateSignatureAndCopyInfoForURL:withOptions:error:], NSLocalizedDescription=Failed to verify code signature of /var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.M4M4uv/extracted/Payload/{app-name}.app : 0xe8008015 (A valid provisioning profile for this executable was not found.)}), source 17> Steps done trying to resolve the problem: Creating new Provisioning Profile Confirmed registered Device UDID Manually Resigned the App using codesign Manually installed the mobileprovision certificate on the device Checked matching Apple Distribution Certificate Full Code-Signing Clean-Up There is also no "Trust this xx" under the settings -> VPN & Devices tab on the device, we also tested this on multiple devices and tried this aswell with a new blank app. Could there possibly be a core issue with our developer profile?