Always back up the original firmware ( sunxi-fel read the first 16MB of eMMC) before making any changes. One wrong write command and you're soldering JTAG headers.
In the world of affordable, power-efficient application processors, the occupies a unique sweet spot. As a quad-core Cortex-A53 processor designed primarily for high-volume tablets, digital signage, and Industrial Control Panels (HMI), it offers a cost-effective alternative to NXP i.MX or Rockchip solutions. allwinner+a133+firmware+work