Used when the device is booted into the Android OS with USB Debugging enabled. Purpose: Installing apps, shell access, and log monitoring.
Ideal for low-level flashing and unbricking.
Switch from a USB 3.0 port (blue) to a legacy USB 2.0 port (black). USB 3.0 controllers can occasionally conflict with older Allwinner bootrom timing. If using a desktop, plug the cable into the rear motherboard ports rather than the front case panels. 2. PhoenixSuit Does Not Detect the Device
Windows occasionally blocks third-party Allwinner drivers because they lack digital Microsoft signatures. To temporarily disable this:
usbphy: phy@5100400 compatible = "allwinner,sun50i-a133-usb-phy"; reg = <0x05100400 0x14>, <0x05100800 0x4>; reg-names = "phy_ctrl", "pmu"; clocks = <&usb_clk>; resets = <&usb_rst>; status = "okay"; #phy-cells = <1>; ; allwinner a133 usb driver
There are two primary ways to install these drivers on a Windows computer. Follow the method that matches your downloaded package format. Method 1: Automated Installation (.exe Installer)
Use Allwinner ADB Driver (included in PhoenixSuit package) – but Google’s is more reliable.
A USB 2.0 or USB 3.0 port directly on your computer's motherboard (avoid unpowered USB hubs). Step-by-Step Installation Guide
Issue: "USB Device Not Recognized" or Yellow Exclamation Mark Used when the device is booted into the
A low-level flashing mode used by tools like PhoenixSuit or LiveSuit to resurrect bricked devices or upgrade the Android operating system. 2. Types of Allwinner USB Drivers
: Required for regular data transfer and command-line interactions while the tablet is powered on.
If the automated installer fails, you can force Windows to recognize the Allwinner A133 hardware manually.
Press and hold the button (on some devices, it is the Volume Down or a physical Home button). Switch from a USB 3
Go to > Advanced options > Startup Settings > Restart .
Go to . Press 7 or F7 to "Disable driver signature enforcement." Reinstall the driver. Troubleshooting Connectivity Issues
💡 If the device manager displays a malfunction error after installation, try swapping to a different USB port (preferably a USB 2.0 port rather than a blue USB 3.0 port). Using a shorter, original equipment manufacturer (OEM) data cable can also resolve power drop-offs.