USB\VID_1F3A&PID_EFE8 Driver MysteryFor the average Windows user, seeing a yellow exclamation mark in Device Manager is a moment of dread. For the hardware enthusiast, it is the beginning of a treasure hunt. Recently, a specific hardware ID has been surfacing in support forums and device manager logs, causing confusion due to its lack of branding: USB\VID_1F3A&PID_EFE8&REV_02 .
If you have plugged in a device and Windows reports "Driver not found" for this ID, you are not alone. Here is the reality of what this chip is, why it refuses to play nice with generic drivers, and how to solve it.
You installed the driver, but the yellow mark remains. Try these fixes:
Encountering an unknown device in Device Manager with the hardware ID USB\VID_1F3A&PID_EFE8&REV_02.3 is rarely a sign of broken hardware. More often, it is a cry for software help. This guide will decode exactly what this device is, why Windows doesn't recognize it, and how to safely install the correct driver.
The hardware ID USB\VID_1F3A&PID_EFE8 is nothing to fear. It is simply an Allwinner chip waiting for instructions in its firmware update mode.
By installing the Allwinner USB Driver via the Have Disk method or using Zadig to assign a libusb driver, your Windows machine will instantly recognize the hardware, clearing that pesky yellow exclamation mark and allowing you to proceed with your flashing tasks.
Have you found this device on your system but don't own any Allwinner hardware? Let us know in the comments what device it turned out to be!
The hardware identifier USB\VID_1F3A&PID_EFE8&REV_0203 corresponds to a specific USB interface primarily used by Allwinner Technology devices in "FEL" or flashing mode. While some databases attribute it generally to VIA Technologies or generic USB hubs, it is most commonly encountered when a tablet, development board, or other device with an Allwinner SoC is connected to a computer for firmware updates. Understanding the Hardware ID VID (Vendor ID) 1F3A: Assigned to Allwinner Technology. usb vid 1f3a&pid efe8&rev 02 3 driver
PID (Product ID) EFE8: Represents the sunxi SoC OTG connector in FEL/flashing mode.
REV_0203: Refers to the specific revision of the device's firmware or hardware interface. Purpose of the Driver
When your PC detects this ID, the device is typically in a low-level "Bootstrap" mode called FEL mode. In this state, the device's standard operating system (like Android) is not running. Instead, it is waiting for a computer to send data, usually to: Flash new firmware or a custom OS. Recover a "bricked" or non-responsive device. Perform low-level hardware debugging. How to Install the Driver
To make the computer recognize the device for flashing, you typically need to install a specialized driver, such as the Allwinner USB Driver or a generic WinUSB driver.
The hardware ID USB\VID_1F3A&PID_EFE8&REV_0203 (often appearing in Device Manager as "USB Device(VID_1f3a_PID_efe8)") most commonly identifies an Allwinner Technology
. This is a low-level flashing or recovery mode used for tablets, development boards, and SoCs (System on Chips). DeviceHunt
While some databases link this ID to VIA Technologies hubs, it is almost exclusively associated with Allwinner's Check USB Power Management: Go to Power Options
SoC OTG connector when the device is ready for firmware updates or "flashing". DeviceHunt Driver Identification & Use Vendor ID (VID) 1F3A: Allwinner Technology. Product ID (PID) EFE8: sunxi SoC OTG connector in FEL/flashing mode. Common Use Case:
You will likely see this "Unknown Device" in Windows Device Manager if you are attempting to root a tablet, update its firmware (using tools like LiveSuit or PhoenixSuit), or if the device has entered a recovery state. DeviceHunt How to Install the Driver
To resolve the "Unknown Device" error or proceed with flashing, you typically need the Allwinner USB Driver Manual Update via Device Manager: Device Manager by right-clicking the Start button and selecting it.
Find the device marked with a yellow exclamation mark (usually under "Other devices" or "Universal Serial Bus controllers"). Right-click it and select Update driver "Browse my computer for drivers"
and point to the folder containing your tablet's firmware tools (like LiveSuit), as they usually include the necessary Using Flashing Tools: Most users obtain this driver by installing PhoenixSuit or LiveSuit
, which automatically bundles the Allwinner FEL mode drivers. Third-Party Repositories:
If you cannot find the original tool, drivers for Windows XP through Windows 11 are hosted on sites like Driver Scape DriverIdentifier Solving the USB VID_1F3A&PID_EFE8&REV_02
Always ensure you download drivers from reputable sources and scan them with an antivirus, as unknown device IDs are often targets for malicious driver-download sites. Are you trying to flash new firmware to a tablet, or did this device just appear as an
Unknown Device in Device Manager: How to Identify and Fix | Dell US
If you are planning to use this device with low-level tools like sunxi-fel on Linux subsystems or via command line, you might prefer to use Zadig.
This method is excellent because it allows tools like Python scripts to communicate directly with the hardware without proprietary software bloat.
Forget the "driver download" websites that ask for your email and credit card. The legitimate drivers for USB\VID_1F3A&PID_EFE8 come from three sources.
Here is the definitive guide to resolving the driver issue. Follow these steps in order.