[Flutter] Flutter app bypasses authentication after reinstalling on Android and iOS

I’m developing a Flutter mobile app for both Android and iOS. When I uninstall and reinstall the app, it directly navigates into the app without asking for authentication details. I expect it to prompt for login on each fresh installation, but it seems to remember the previous session details somehow.

I’m not using Firebase Authentication but instead rely on custom authentication methods. I suspect that the app might be storing data in cache, which somehow persists even after uninstalling.

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