Because the H3 was so ubiquitous, developers created hyper-specialized firmware images that turned the $15 board into a dedicated appliance:
sunxi-fel uboot u-boot-sunxi-with-spl.bin Allwinner H3 Firmware
Remember:
unless the NAND is physically dead.
and a "Male-to-Male" USB cable to flash directly to the onboard eMMC. Why Update? Because the H3 was so ubiquitous, developers created
No HDMI output, no LED, constant reboot loop, or device stuck on logo. Because the H3 was so ubiquitous