I also have the same question. I searched for MFi's authentication information, but did not specify the need to add an MFI chip to the USB-C interface. Have you resolved the communication issue between the APP and external USBC?

I also have the same question. I searched for MFi's authentication information, but did not specify the need to add an MFI chip to the USB-C interface. Have you resolved the communication issue between the APP and external USBC?