If the pattern signature unlocking mode is set, it can be unlocked by using the pin code set when drawing the unlocking pattern signature. Operation: Enter the incorrect unlocking method five times, and a prompt message will be displayed on the screen. Please try again after 30 seconds, and click OK. Click the backup pin in the lower right corner of the screen, enter the previously set pin password, and click OK. If it is a signature unlocking method, after entering the wrong signature for five times, a prompt for entering the pin code will appear on the screen. Enter the previously set pin, and then click OK. Tip: The pin code prompted when unlocking is the backup password set when you set the pattern lock. If it doesn't work, you forget to back up your pin code or you don't meet the above requirements, please send the machine to the nearest service center, and the after-sales engineer will help you unlock it safely.