Installing apps that are not in the official App Store.
A frequent mistake during manual zipping is compressing the parent folder containing the Payload directory, rather than compressing the Payload folder itself. If iOS opens the archive and finds anything other than the Payload/ path at the root level, the installation will abort. How to Handle Code Signing After Conversion convert zip to ipa work
If the .app file is directly inside the zip, iOS cannot recognize it as a valid app bundle. Installing apps that are not in the official App Store
The Info.plist file inside the app bundle is the "brain" of the application. It contains the bundle identifier, version number, and required permissions. If this file is missing or corrupted during the ZIP-to-IPA transition, the iOS installation daemon (itms) will throw an error. Tools to Simplify the Process How to Handle Code Signing After Conversion If the
How to create a .ipa file in Flutter without signing | by Filippo Valle