Possible errors when uploading versions:
packageNamemust stay the same
packageNameof the new version must match the
packageNameof the previous version.
Unity: Player Settings > Other Settings > Identification > Package Name
Unreal: Project Settings > Android > Android Package Name
versionCodedid not increase
versionCodeof the new version must be greater than the
versionCodeof the previous version. In other words,
versionCodemust be rolled forward.
Unity: Player Settings > Other Settings > Identification > Bundle Version Code
Unreal: Project Settings > Android > Store Version
Signing key changed
Sign the new version of your app with the same key that was used to sign the previous version. Create and use a custom keystore and ensure it's used by the entire Android development team and any build machine producing .apk files.
.apk not signed
The .apk does not have a signature as required.
Corrupt .apk file detected
Something has gone wrong with the uploaded file.
No .apk file detected
The system could not detect an .apk file in the uploaded file.
There was a problem uploading your file. Please contact [email protected].