Allwinner A133 Firmware Install |best| -

Part 4: Installing Allwinner USB Drivers

Windows will not recognize your A133 device in FEL mode without the proper drivers. allwinner a133 firmware install

• For Windows: install LiveSuit or PhoenixSuit and necessary USB drivers.
• Put the device into FEL/USB recovery mode (usually by holding a key combo or shorting the mask ROM pins while powering on).
• Load the .img/.imgpack in the tool and flash to the device following prompts.
• After flashing, reboot and verify.

Step 1: Install Drivers

Your PC needs to recognize the tablet when it is in "Flash Mode" (FEL Mode). Flashing the firmware on an Allwinner A133 Go

Final Notes & Safety

• Never interrupt power during flashing – even a 1-second disconnect can corrupt the bootloader.
• Keep a backup of your original firmware if possible (dump via sunxi-fel read).
• Check forums specific to your device model (e.g., XDA-Developers, 4PDA, or the manufacturer’s support portal). Allwinner A133 is common in Chinese car radios – firmware for one brand may not work for another.
• If bricked: Try shorting the FEL pin again. Some boards have a dedicated “erase” jumper. As a last resort, you may need an SPI flash programmer (e.g., CH341A) to reflash the bootloader.

Wait: Do not disconnect the cable. The process will show a progress percentage. For Windows: install LiveSuit or PhoenixSuit and necessary

Format Prompt: The software will likely ask if you want to "Mandatory Format" or "Forced Upgrade." Select Yes for a clean installation (this erases all data).