Usb Device Id Vid 0951 Pid 1666 Jun 2026
18;write_to_target_document1a;_Pnfuabj9Grzdp84P5_jwuAQ_20;765; Phison PS2251-19 (PS2319) 0;a49; or similar Phison variants
A common mistake is searching Google for "VID_0951_PID_1666 driver download." Do not download "driver updater" software or EXE files from shady websites.
This article provides a comprehensive guide to understanding this device ID and how to recover or repair it. 1. What is VID 0951 PID 1666?
The specific hardware identifier corresponds directly to a Kingston Technology DataTraveler USB 3.0 flash drive . The Vendor ID (VID) 0951 is permanently assigned to Kingston Technology , while the Product ID (PID) 1666 identifies a massive lineage of popular flash drives, most notably the DataTraveler 100 G3, DataTraveler 50, DataTraveler G4, SE9 G2, and Kyson lines.
Use a tool like Flash Drive Information Extractor to confirm the specific Phison controller (e.g., PS2251-07 or PS2319). Usb Device Id Vid 0951 Pid 1666
Last updated: May 2026
From a digital forensics and IT security perspective, this VID/PID combination is notable for two reasons:
Ensure you are using a USB 3.0 (blue) port. 3. How to Fix VID 0951 PID 1666 (Data Loss Likely)
Because the device is a USB 2.0 drive manufactured during the transition from Windows XP to Windows 10, most modern operating systems (Windows 11, macOS Ventura/Sonoma, and modern Linux kernels) will recognize it automatically using generic mass storage drivers. What is VID 0951 PID 1666
If your drive shows as write-protected or as having 0 bytes capacity, it is a firmware-related issue. , as these can worsen the problem. The proper solution involves using Phison MP (Mass Production) tools, which require identifying the exact controller revision first.
USB device identification and PID 1666 refers to a high-speed storage device manufactured by Kingston Technology . This specific combination is most commonly associated with the Kingston DataTraveler 100 G3 series, though it is also used for other models like the DataTraveler G4, SE9 G2, and Kyson. Technical Overview Manufacturer: Kingston Technology (Vendor ID: 0951). Product: DataTraveler 3.0 / 100 G3 (Product ID: 1666).
First, try disabling write protection via Windows Registry ( StorageDevicePolicies ) or using the attributes disk clear readonly command in Diskpart. If these software fixes fail, the hardware controller has permanently locked itself to prevent data loss. In this case, back up your files immediately and replace the drive. 3. Drive Shows "No Media" or 0 Bytes Capacity
: The drive is detected in Device Manager but does not appear in "This PC." Cause : Windows did not assign a volume letter. Solution : Use a tool like Flash Drive Information Extractor
Windows displays "USB Mass Storage Device" but cannot assign a drive letter or shows the capacity as 0 bytes.
If you are trying to fix a specific issue with this drive, let me know: What or behavior are you experiencing? Have you checked its status in Device Manager ?
Because the PID_1666 device uses older MLC or TLC NAND flash, data recovery is possible if the controller hasn't failed completely.