You can lock home screen layout of your Samsung Galaxy Z Flip 4 so that it can’t be repositioned or deleted. This makes it easy for you to immediately find the app icons on your phone home screen ...

The Fusion documentation states that the F15 key is mapped to scroll lock - but I'm pretty sure that key isn't on laptop keyboards. You might need to use an external keyboard.

The best way to prevent an app icon from being deleted or repositioned from your Samsung Galaxy Z Fold 4 display is to lock home screen layout. This prevents the adding, deleting, or moving of app ...