掌機 - M22Pro - 如何進入燒錄模式


短路SPI 1、2腳位


$ lsusb
    Bus 003 Device 118: ID 1f3a:efe8 Allwinner Technology sunxi SoC OTG connector in FEL/flashing mode

$ xfel version
    AWUSBFEX ID=0x00185900(R528/T113) dflag=0x44 dlength=0x08 scratchpad=0x00045000