Your Android App Bundle is signed with the wrong key.

I decided to change the app to a different UI as the existing one is limited and the new one has more functions. I don't want my users to download a new app. I just want them to update. I have the keystore files and all the other files generated when I build my first app. How do I add it to an already exported app? ready for PlayStore testing?

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This sounds like a question about app development for Android. Given that, you might have more luck asking it via the support channel for that platform, because Apple Developer Forums is pretty solidly focused on Apple stuff.

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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