Usb Vid 1f3a&pid Efe8&rev — 02 3 Driver Work
The hardware ID USB\VID_1F3A&PID_EFE8 identifies a device in , a low-level subroutine used by Allwinner Technology
processors for firmware flashing and recovery. This mode is commonly triggered on Android tablets, TV boxes, and development boards (like the Cubieboard) to unbrick or update the device's operating system. DeviceHunt Identifying the Device Vendor ID (VID) 1F3A: Allwinner Technology. Product ID (PID) EFE8: Represents the sunxi SoC OTG connector specifically when it is in "FEL" or "flashing" mode. Revision 02 3:
Likely refers to a specific hardware or protocol revision of the Allwinner chip's bootloader. DeviceHunt Necessary Drivers & Tools
To interact with a device in this state, you typically need a specific utility and its associated drivers rather than a standard "plug-and-play" driver. PhoenixSuit / LiveSuit:
These are the primary official Windows tools used to flash firmware onto Allwinner devices. PhoenixSuit:
Includes the required drivers in its installation directory (usually C:\Program Files\AllWinnertech\PhoenixSuit\Drivers An older alternative for legacy Allwinner-based tablets. Allwinner USB Drivers:
If you only need the driver, you can often find them on sites like Driver Scape DriverIdentifier Installation Steps If your device appears as an "Unknown Device" in Windows Device Manager Download and extract PhoenixSuit tool Right-click the "Unknown Device" in Device Manager and select Update driver Browse my computer for drivers and point to the folder within the PhoenixSuit directory. usb vid 1f3a&pid efe8&rev 02 3 driver
If prompted with a security warning about "unverified drivers," select Install this driver software anyway Common Issues Device stays in FEL mode:
This usually happens if the firmware is corrupted or the device is being forced into recovery (e.g., by holding a "FEL" or "Volume" button while plugging it in). Not recognized by ADB: FEL mode is not ADB mode
. You cannot use standard Android Debug Bridge commands while the device is in this recovery state. Ask Ubuntu Allwinner Technology — USB Vendor 1F3A - DeviceHunt
The identifier USB\VID_1F3A&PID_EFE8&REV_0203 refers to an Allwinner Technology device in FEL mode. This is a low-level "flashing" or recovery state used to provision or repair devices (like tablets or development boards) using an OTG connector. Device Profile Vendor ID (VID): 1F3A — Allwinner Technology.
Product ID (PID): EFE8 — Allwinner sunxi SoC OTG connector in FEL/flashing mode.
Common Use: This device often appears in Windows Device Manager when an Allwinner-based tablet (e.g., Exdroid, various "no-name" Android tablets) is connected to a PC for firmware updates or unbricking. Driver Information The hardware ID USB\VID_1F3A&PID_EFE8 identifies a device in
Drivers for this specific hardware ID are typically included with manufacturer-specific flashing utilities. If your computer does not recognize the device, you may need one of the following: FEL Mode Drivers - Exdroid Tablet - GitHub
USB device: VID 1F3A, PID EFE8, REV 02 — Driver overview
This device (Vendor ID 0x1F3A, Product ID 0xEFE8, revision 0x02) appears as a USB peripheral identified by those descriptors. To use it you generally need an appropriate device driver for your operating system. Below are concise, practical steps and options to get the device working.
2. Common Devices That Use This ID
The VID_1F3A&PID_EFE8 combination rarely appears on consumer peripherals like keyboards or mice. Instead, it is almost exclusively found in:
- SPI Flash Programmers: Devices used to read/write BIOS chips, EEPROMs, or embedded flash memory.
- Chinese Clone Programmers: Many low-cost USB programmers (e.g., CH341A variants or custom ASIX programmers) use this VID/PID when in a specific "firmware update" or "low-level access" mode.
- Embedded Development Boards: Some IoT or microcontroller development boards use this ID for their on-board debugger (JTAG/SWD) interface.
- Bricked Device Recovery Mode: If you have a router, Android TV box, or media player that is "bricked," it may enumerate with this ID when put into forced recovery (Mask ROM mode) via a USB cable.
Option A – Prolific PL2303 Driver (Most common)
Many 1F3A devices counterfeit Prolific chips. Newer Windows blocks them.
- Download Prolific PL2303 v3.8.25 (last version allowing counterfeit chips) from a trusted archive like DriverPack or Station-Drivers.
- Extract and run
PL2303_64bit_Installer.exe. - If Windows says “driver blocked”, you must disable driver signature enforcement (see Step 3).
Step 4: Disable Driver Signature Enforcement (For Legacy Drivers – Windows 10/11)
If you have an older driver (e.g., for Windows 7) that is unsigned:
- Open Settings > Update & Security > Recovery.
- Under Advanced startup, click Restart now.
- After reboot, go to Troubleshoot > Advanced Options > Startup Settings > Restart.
- Press 7 or F7 to select Disable driver signature enforcement.
- Install the driver as usual after booting.
5. Troubleshooting: When the Driver Installs but the Device Still Fails
You installed the driver, but the yellow mark remains. Try these fixes: USB device: VID 1F3A, PID EFE8, REV 02
- Check USB Power Management: Go to Power Options → Change plan settings → Change advanced power settings → USB settings → Disable USB selective suspend.
- Remove Hidden Devices: In Device Manager, click View → Show hidden devices. Uninstall any grayed-out instances of the ZTE modem.
- Try a Different USB Port: Use a USB 2.0 port directly on the motherboard (back of the PC). Avoid USB 3.0 hubs.
- Use a Powered USB Hub: Some LTE dongles require more current than a laptop USB port provides. A powered hub solves intermittent detection.
The Enigma of USB VID_1F3A&PID_EFE8: A Driver Archaeology Expedition
In the intricate ecosystem of personal computing, few moments are as simultaneously frustrating and fascinating as encountering an unknown USB device in your system’s Device Manager. It appears as a yellow exclamation mark, a digital cry for help, labeled only by its cryptic hardware IDs: USB\VID_1F3A&PID_EFE8&REV_023. To the uninitiated, this string resembles a fragment of ancient code. To the technician or enthusiast, it is a fingerprint—a unique identifier that tells the story of a piece of hardware searching for its voice. The quest for a driver for this specific ID is not merely a download-and-click exercise; it is a lesson in hardware forensics, compatibility, and the delicate dance between generic standards and proprietary firmware.
First, let us decode the artifact. The VID (Vendor ID) of 1F3A is the most critical clue. In the USB Implementers Forum (USB-IF) database, this Vendor ID is officially registered to a single company: Oculus VR, LLC, a subsidiary of Meta (formerly Facebook). The PID (Product ID) of EFE8 falls within a range of identifiers allocated to Oculus for their hardware ecosystem. Therefore, the mystery device is almost certainly a component of an Oculus Rift, Rift S, or Quest link peripheral. The REV (Revision) of 023 indicates a specific firmware iteration, likely corresponding to a particular hardware batch or update cycle.
However, this is where the typical driver narrative takes an unexpected turn. You will not find a standalone, downloadable .inf or .exe file named “Oculus USB Driver” for this specific PID on a support page. The reason lies in the nature of the device. The identifier VID_1F3A&PID_EFE8 most commonly corresponds to the Oculus Rift Sensor (the external tracking camera) or the internal tracking camera array of a headset. These are not simple mice or keyboards; they are specialized imaging and sensor fusion devices. They do not conform to a generic USB class standard (like HID or Mass Storage) that Windows can natively understand. Instead, they rely on a proprietary kernel-mode driver that is bundled exclusively with the main Oculus desktop software.
Thus, the driver acquisition process is unique: You do not install the driver; you install the host application that contains the driver. Attempting to force a generic driver or using a third-party “driver updater” for this VID/PID is not only futile but can lead to system instability. The correct procedure involves downloading the official Oculus app for Windows (often several gigabytes in size). During its installation, the software decompresses and registers the necessary USB drivers for the sensor and headset tracking functions. Crucially, these drivers are often digitally signed by Oculus and interact with low-level USB bandwidth management—a common pain point, as sensors are notorious for demanding precise USB controller timing.
The revision number, REV_023, offers a subtle but important nuance. Different Oculus hardware revisions have, at times, presented slightly different USB power negotiation or isochronous transfer requirements. Users on community forums have reported that while an older sensor (REV 01 or 02) might work on a USB 2.0 port with a passive extender, a REV 02 3 (likely a late-production Rift CV1 sensor) often requires a USB 3.0 port with a dedicated controller, or it will fail to enumerate properly. If the driver fails to load, the solution is rarely a new driver file. Instead, it involves troubleshooting the USB host controller: disabling USB selective suspend, updating motherboard chipset drivers (especially for ASMedia or AMD USB 3.0 controllers), or using a powered PCIe USB expansion card.
Moreover, this hunt highlights a broader shift in hardware support. In the past, every peripheral shipped with a CD-ROM of drivers. Today, complex peripherals like VR systems are “driver-inclusive”—the driver lives inside a runtime environment that also handles rendering, distortion correction, and positional tracking. If you see VID_1F3A&PID_EFE8 in an error state, Windows is telling you that the Oculus service is not running, the software is not installed, or the USB bandwidth is insufficient. The driver is not missing; the ecosystem is absent.
In conclusion, the driver for USB VID_1F3A & PID EFE8 & REV 02 3 is not a standalone file but a functional ghost within the Oculus software suite. To solve the yellow exclamation mark, one must abandon the search for a direct driver link and instead embrace a holistic solution: install the official Oculus PC application, ensure a clean USB 3.0 connection, and update your system’s USB host controllers. This device serves as a modern parable in computing: the hardware ID is a map, but the territory is a complex software stack. The driver is not missing—it is waiting for you to install the world it was built to see.
6) Linux troubleshooting
- Ensure you have permissions: add a udev rule matching the VID/PID to set proper permissions. Example udev rule (place in /etc/udev/rules.d/99-usb.rules):
Then reload rules:ATTRSidVendor=="1f3a", ATTRSidProduct=="efe8", MODE="0666"sudo udevadm control --reloadand replug the device. - Check
dmesgandlsusb -vfor driver binding info.




