I am at my wits end having spent an entire day in Google, CoronaLabs, and Apple trying to sort this out.
I developed a game in Corona Labs 2016.2830. It works fine on the simulator. When I first built it, the only build option I had was for 9.3 beta. Also, when I first built it I received an error that there was some issue with my certificate, and also received the “App installation failed. No code signature found.” error message. So, after much googling I did the following:
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Removed all provisioning profiles.
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Removed expired certificates from Keychain.
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Created a new provisioning profile that is specifically for this individual app (no wildcarding) and downloaded that provisioning profile.
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Renamed XCode.app to XCode_731.app and downloaded Xcode 7.2.1.
After doing all these steps, when I built for iOS I no longer receive the certificate error messages, but I am still receiving the “App installation failed. No code signature found.”. And in addition, I am now receiving the error “Could not find developer disk image” when I try to copy the app to my iPhone. My iPhone is on iOS 9.3.2 (not supported by XCode 7.2.1). I tried copying the app to the phone using XCode 7.3.1 and I do not get the developer disk image error, but still getting the no code signature found error.
Any suggestions?