If a blind moves to the opposite direction to your command, then you need to switch up and down in order to use your blind properly. To make this change, follow the steps below:
Tap to connect
Tap on Tap to connect of the blind you need to reverse the direction.
Tap on the more menu
The more menu (three dots) is located in the upper right side of the screen.
Tap on Reverse direction and confirm
Tap on the Reverse direction option, and then, tap on Confirm.