In general, it was a good robot. But after a split occurred in the Redmond company, the mobile application, and with it the brains of the robot, were flashed to a new version . in which it works like on a screen. The robot sees that there are many more places to go, but he stubbornly says that the cleaning is completed. Disgusting. For example, the start was given three times from the charging station. Result: little, medium, more. But never completely