1. Disassemble the machine (the screw at the bottom of the machine) —
2. Plug in and restart (or reset the small hole under the pestle) —
3. When the machine is displayed to be removed — wait 30-40s on this interface —
4. Menu key Enter the menu-settings-system settings-advanced settings-clear administrator privileges. Or, you can directly add yourself as an administrator.
This method will not clear the personnel and records on the machine, so it can be operated with confidence.