There are two methods to update the firmware on an Allwinner A133 device.
Ensure you have a high-quality USB cable and a Micro SD card formatted to FAT32 if you plan to update via recovery. Update Procedure via PhoenixSuit allwinner a133 firmware updated
For those running Android 12 or later, the updated firmware aligns with the latest GMS (Google Mobile Services) requirements. It includes necessary kernel patches for Android 13’s virtual A/B (Seamless Update) feature, though enabling this remains at the OEM’s discretion. There are two methods to update the firmware