Usb Vid 1f3a&pid Efe8&rev 02 3 Driver

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.

Armed with this new information, Alex set out to find and install the correct driver. The official website of the device's manufacturer provided the necessary software. With a few clicks, Alex downloaded and installed the driver, restarting the computer to ensure the changes took effect. usb vid 1f3a&pid efe8&rev 02 3 driver

Last tested: Windows 11 23H2 & Windows 10 22H2. Works for both 32-bit and 64-bit. USB device: VID 1F3A, PID EFE8, REV 02

  1. The device is dead. Flash memory on the modem’s controller may have corrupted. If it is a removable dongle, replace it.
  2. Use Linux. Linux kernels (4.15+) natively support ZTE modems via the option and usb_wwan drivers. Boot a live USB of Ubuntu; if the device works there, your Windows installation has deep USB driver corruption.
  3. Reinstall Windows USB Stack (last resort):

    For Linux Users (udev Rules)

    Linux usually detects the device correctly, but you need udev rules to access it without root privileges (required by tools like sunxi-tools). The device is dead

    Scenario C: You Have an Internal Module (Laptop/Tablet)

    Many rugged tablets, industrial PCs, and cellular laptops (e.g., Dell Latitude 7210, Panasonic Toughbook) contain embedded ZTE modules. The REV_02.3 driver must often be provided by the laptop manufacturer (Dell, Lenovo, HP) rather than ZTE directly.

    3. The 100% Safe Driver Solutions (No Sketchy Websites)

    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.

    Step 1: Identify the Actual Hardware

    Before downloading anything, check the Hardware IDs in Device Manager:

    • Download from WCH.cn (official) – search “CH340 driver”.
    • Install CH341SER.EXE (works for CH340 too).