The Complete Guide to Allwinner A133 USB Drivers: Installation, Troubleshooting, and Development
Tap Build Number 7 times until it says "You are now a developer." Go back to Settings > System > Developer Options . Toggle on .
For most Windows users, the easiest way to get these drivers is through Allwinner's official production tool suite. Download the Tool Center: Allwinner's APST (Allwinner Product Selection Tool) often includes the necessary drivers automatically. Manual Installation via Device Manager: Put your tablet into
However, one of the most common pain points for developers, repair technicians, and even advanced DIY users is the . Without the correct driver, your Windows PC (or Linux host) will not recognize the device when connected via USB, rendering it impossible to flash new firmware, use adb (Android Debug Bridge), or access fastboot. allwinner a133 usb driver
Upon reboot, press or F7 to select "Disable driver signature enforcement." Re-run the DriverInstall.exe tool as an administrator.
When forced into FEL mode without an active flashing utility running, the A133 chip will automatically time out and drop the connection to protect the battery.
Press and hold the button (on some devices, it is the Volume Down or a physical Home button). The Complete Guide to Allwinner A133 USB Drivers:
Allwinner A133 Go to product viewer dialog for this item. USB Driver: Installation and Troubleshooting Guide (2026) The Allwinner A133 Go to product viewer dialog for this item.
The PHY requires specific initialization sequences. The A133 often requires "USB eye tuning" parameters in the DTS to pass USB certification (Signal Integrity).
This method is ideal if you are writing custom flashing scripts or using open-source tools like sunxi-fel.exe for Windows. Upon reboot, press or F7 to select "Disable
Corrupted driver stack or insecure NAND/eMMC.
How to Install Allwinner A133 USB Drivers on Windows (7, 10, and 11)
If your tablet is bricked (stuck on the boot logo), you must force the Allwinner A133 into FEL mode to allow the USB driver to take over.
Yes, but you still need to disable driver signature enforcement (easier on Windows 7 than on 10/11).