The Dreame L40S Ultra AE is being returned because it fell twice soon after purchase. The user finds the need for frequent no-go zones inconvenient, especially compared to their previous j7. They’re now looking for alternative robot vacuums that navigate more reliably and maintain safety without constant manual restrictions. https://www.reddit.com/r/RobotVacuums/comments/1omwz0o/dreame_fell_down_the_stairs_again/