Answer:
You can change the language used in the app by going to Profile > Settings > Language Settings.
However, the language displayed on your mower’s screen is fixed and defaults to English—it cannot be changed.
Common error codes and notifications that appear on the mower’s display are explained in detail in your user manual. For more information, please refer to the manual that came with your device. You can also view or download a digital copy of the user manual from our Help Center:
garden-support.roborock.com