If you have landed on this page, you are likely staring at an entry in your Windows Device Manager that looks like a cryptic code: USB\VID_1F3A&PID_EFE8&REV_02.
You probably see a device labeled "Unknown Device" with a yellow exclamation mark, and no matter how many times you click "Update Driver," Windows insists it can't find one.
Don't worry; your computer isn't broken. You have just encountered a very specific piece of hardware common in the hobbyist and electronics world. Here is everything you need to know about identifying and fixing this driver issue.
The driver for usb vid 1f3a&pid efe8&rev 02 3 is not mysterious—it is a standard ZTE mobile broadband driver. Do not pay for drivers. Do not use third-party driver apps. Instead, let Windows Update search for it, or manually install the generic ZTE USB Modem driver package from your cellular provider or the official ZTE support portal.
If you have successfully resolved this error, your device will typically enumerate as multiple child devices: a modem, an AT serial port, a GPS port, and a network adapter. Once those appear, your 4G/5G connectivity is ready for action. usb vid 1f3a&pid efe8&rev 02 3 driver
Have a different PID or REV code? The same logic applies: check the Vendor ID (VID) first. If it’s 1F3A, it’s ZTE. Search for ZTE modem drivers, not generic "USB drivers."
Word Count: ~1,150 (Optimized for organic search, readability, and practical value.)
If this device appears on a laptop (especially a Clevo, Tongfang, or unbranded Chinese laptop), the driver is part of the I2C HID Device or ELAN Input Device package. You must download the full Chipset/IO driver pack from your laptop manufacturer's support page.
If after all the above steps you still see USB\VID_1F3A&PID_EFE8&REV_02.3 as a problem device, consider these final options: If you have landed on this page, you
You do not need a generic "USB 2.0 driver." You need the Allwinner USB Driver meant for firmware flashing. Once installed, the device will likely appear in Device Manager as a "USB Device(VID_1f3a_PID_efe8)" or similar.
Tags: #Allwinner #USBDriver #FELMode #VID1F3A #HardwareID #EmbeddedSystems
Posted by: Tech Repair Lab | Reading time: 4 minutes
Have you plugged in a USB device only to see USB\VID_1F3A&PID_EFE8&REV_023 in Device Manager with a yellow exclamation mark? You’re not alone. This cryptic identifier frustrates many users, but the fix is usually simple. Have a different PID or REV code
In this post, I’ll explain exactly what this device is, why Windows fails to drive it, and provide three proven methods to install the correct driver.
Many advanced users prefer to manually point Windows to the correct .inf file. Here is how to do it safely.
Encountering an unknown device in your Windows Device Manager can be frustrating. If you have stumbled upon a device listed with the hardware ID USB\VID_1F3A&PID_EFE8&REV_02, you are likely dealing with a specific piece of embedded hardware, a debug interface, or a generic serial controller that Windows does not recognize by default.
This article provides a deep dive into what this VID/PID combination means, which manufacturer it belongs to, why it appears on your system, and the exact steps to find, install, or fix the driver for this device.