Deleting the map on the Xiaomi Robot Vacuum X20+ is necessary when you want to reset cleaning zones, remove outdated maps, or if there are changes in your home's layout that require a new map to be created.
Please refer to the following steps to delete the map on the Xiaomi Robot Vacuum X20+:
Open the [Mi Home] APP >> [Settings] >> [Map management] >> [Map list] >> select the map to be reset >> tap the [Trash can] icon at the upper right corner >> tap [Confirm].