Q2
如何進入燒錄模式
拔掉MicroSD後，連接USB Type-C
$ sudo dmesg -c
[ 7724.825304] usb 1-2: new full-speed USB device number 13 using xhci_hcd
[ 7724.974464] usb 1-2: New USB device found, idVendor=1f3a, idProduct=efe8, bcdDevice= 2.b3
[ 7724.974467] usb 1-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
$ lsusb
Bus 001 Device 013: ID 1f3a:efe8 Onda (unverified) V972 tablet in flashing mode