Allwinner A133 — Firmware Install

If successful, PhoenixSuit will display a pop-up window stating: "Tips: Does mandatory format?"

Disconnect all other Android devices from your PC to avoid conflicts

This signifies a communication breakdown. Switch from a USB 3.0 port (blue) to a USB 2.0 port (black) on your PC. allwinner a133 firmware install

Click and accept any Windows Security prompts warning you about unsigned drivers.

To accept new firmware, the A133 chip must be booted into a special hardware state called FEL mode. Power off your Allwinner A133 device completely. If successful, PhoenixSuit will display a pop-up window

You likely have the wrong firmware file. Ensure the tablet model matches exactly.

Ensure you are using the correct firmware. Sometimes, changing "Upgrade" to "Force Upgrade" in PhoenixSuit fixes issues. To accept new firmware, the A133 chip must

To accept new firmware, the Allwinner A133 chip must be forced into FEL bootloader mode. Power down your tablet completely.