Please add the dtb for using s905L2B&3B soc's tvbox,such as mgv2000、zte b860av2.1a\m\t、e900v21e etc,thank you guys verymuch!

Help & Support Installation & Booting
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By connecting a USB->UART adapter to the TX\RX\GND pins on your device, or to this CoreELEC Team SDIO Debug Board