You cannot install a driver to "use" FEL mode for everyday tasks like data transfer. Instead, FEL is a special engineering mode triggered when a device's main storage (NAND flash, eMMC, or SD card) is empty, corrupted, or when a specific hardware button combination is held during boot.
: This occurs when Device Manager cannot start the hardware, often due to corrupted or incompatible drivers.
Modern USB 3.0/3.1 ports (colored blue) often cause handshake timing issues with older Allwinner bootloaders. Plug your device into a black USB 2.0 port if available. usb device-vid-1f3a-pid-efe8- windows 11
I can provide custom firmware tools or specific button combinations to exit recovery mode. Share public link
Use (v2.8+ works on Win11):
When it sees the VID_1F3A&PID_EFE8 combination, Windows knows it's some kind of device, but since it can't find a driver in its internal library, it marks it as an unknown device. You need to provide the correct driver for Windows to communicate with it.
Upon reboot, press or F7 to select Disable driver signature enforcement . You cannot install a driver to "use" FEL
Hold down the while clicking Restart in your Windows Start Menu.
The USB device with VID_1F3A&PID_EFE8 can be used with Windows 11, and the operating system will attempt to install the necessary drivers. If you encounter issues, troubleshooting steps can help resolve common problems. For more information about the device's specifications and features, consult the manufacturer's documentation or website. Modern USB 3
| Software | Works? | Notes | |----------|--------|-------| | Saleae Logic 1.2.18 | ✅ Yes | Legacy app works on Win11 with driver fixes | | Saleae Logic 2.x | ❌ No | Newer Logic 2 does not support FX2LP hardware | | DSLogic software | ✅ Yes | Full support | | PulseView (Sigrok) | ✅ Yes | Use fx2lafw driver, set VID/PID manually | | USBee AX suite | ⚠️ Partial | Requires libusb driver, outdated |
The USB Hardware ID VID_1F3A&PID_EFE8 corresponds to the . When a device appears with this ID in Windows 11, it typically means it is in a low-level programming or recovery state rather than its standard operating mode. Identifying the Device Manufacturer : Allwinner Technology.