Support. The Xiaomi Vacuum Robot X20+ can only accomplish some fundamental functions like cleaning without network connection. If you want to use more advanced functions, please connect the vacuum robot to the APP. After connecting the robot to the APP, you can use many functions, such as quick map creation, whole house path planning, multi-floor map and resuming cleaning where it left off. Besides, you can also switch the cleaning modes among vacuuming before mopping, vacuuming, mopping and vacuuming and mopping on the Mi Home/Xiaomi Home APP.