You have two choices:
If you cannot find a firmware file, but your tablet can still enter a specific mode, you can sometimes extract a copy of your current firmware using tools like ADB (Android Debug Bridge), though this requires the operating system to be at least partially functional. allwinner a23 firmware
Your Windows PC will not recognize the tablet automatically. You must install the . These are often included in the PhoenixSuit installation folder, but if they fail, you may need to use a generic "Android ADB Interface" driver or a driver management tool like Zadig. You have two choices: If you cannot find