The USB flashing method is the most reliable way to revive a completely bricked or boot-looped device. Part A: Preparing the Tool
Select your MicroSD card drive letter from the dropdown list. Click and select your Allwinner A133 .img file. allwinner a133 firmware install
When complete, you will see a green circle with the text The USB flashing method is the most reliable
Note: The very first boot after a fresh firmware installation always takes significantly longer than usual (often between 5 to 10 minutes). The Android OS needs time to rebuild system caches and initialize pre-installed applications. Troubleshooting Common Flashing Errors allwinner a133 firmware install
Press and hold any physical hardware key on the device (usually the Volume Down or Home button serves as the recovery key).