Look for strings like K2001_NWD_SXXXXXX in your system info to confirm your device type.
You're looking for a useful guide for K2001n NWD firmware. I'll do my best to provide you with some helpful information. K2001n Nwd Firmware
: Open Google Chrome on the head unit and navigate to the developer's update host portal. Look for strings like K2001_NWD_SXXXXXX in your system