After successful flashing, do this:
sudo ./sunxi-fel version
A23 is hard to fully brick due to .
The Allwinner A23 is a dual-core Cortex-A7 SoC typically used in budget Android tablets and development boards from the mid-2010s. Firmware for this chipset is generally distributed as a single .img file and requires specialized flashing tools like or LiveSuite . 1. Core Firmware Components allwinner a23 firmware