If your device boots and you have root access:
While the A23 is an older chip, it has some community support for alternative operating systems: allwinner a23 firmware
An older alternative to PhoenixSuit. LiveSuit is useful if you are working on a legacy Windows XP or Windows 7 environment, or if you are attempting to flash using Linux. 3. Allwinner USB Drivers If your device boots and you have root
Flashing overwrites all data on the device. Ensure your PC has the installed before beginning. Step 1: Prepare PhoenixSuit Download and launch PhoenixSuit on your Windows PC. Click on the Firmware tab. allwinner a23 firmware