What is the edge cleaning function of the Xiaomi Robot Vacuum S20?

The Xiaomi Robot Vacuum S20 has a feature that cleans up along the edges, helping to remove dust, dirt, and debris that can accumulate along walls, baseboards, and corners.
To make your robot vacuum clean the edges, please refer to the following steps:
Open the Mi Home/Xiaomi Home APP >> select [Device card] >> tap the three-dot icon at the upper corner >> turn on [Clean up along the edges].
After the main unit automatically identifies the cleaning area, it will clean along the edge. After cleaning, the main unit will automatically return to the Charging Dock.