Can't lock Splash Screen in app.json to portrait

In this documentation:
"orientation": “portrait” is not locking the splash screen in android and ios phone.

I also have tried everything from here to handle the orientation, but none of them can lock the splash screen to portrait

When I open the phone in portrait mode, it’s working fine:

But the problem occurs when the splash screen is not locked by “orientation”: “portrait” here is what happened:

Please kindly help to fix this issue from app.json in Expo SDK.

Thank you very much