Article ID : 00343222 / Last Modified : 01/20/2026Print

"An unknown error occurred'' is displayed while waiting for a wired connection, and the connection does not start even if the USB cable is reconnected. : [mocopi app for PC]

    Check the following.

    1. Make sure you are using a USB cable for data communication.
    2. Check if your smartphone's CPU is compatible with the listed models here.