Hi，你好
想知道I MX8DX U_BOOT 首次版本烧录，支持串口烧写吗？这样方便调试
在手册里，Serial Downloader Boot 只提到使用USB。
盼复，谢谢
There is usb debug port for you to use.
Yes, the default support is over USB serial connection, about the uart we do not have solution. Hope this can do help for you.
