This product ID is commonly linked to the NAND USB2DISK model, often featuring a FirstChip FC1178/FC1179 or chipYC2019 controller. Common Issues
Boot from a Linux Live USB (e.g., Ubuntu). Open a terminal and type:
A new FTDI-based USB-to-UART cable costs $15–20 and will never show FFFF .
– This is an unofficial or generic Vendor ID often used by Taiwan OEM
This will confirm if the OS can still use the device.
While it is possible to resurrect some devices with VID_FFFF via legacy drivers or EEPROM flashing, the safest and most reliable path is to replace the hardware with a genuine, certified USB device from a trusted vendor. Your time, data integrity, and system stability are worth more than a $5 cable from an unknown seller.
By following this comprehensive guide, users can gain a deeper understanding of the USB Device ID VID FFFF PID 1201 and troubleshoot issues related to this device ID.
Q: How do I troubleshoot issues with the USB Device ID VID FFFF PID 1201? A: Follow the troubleshooting steps outlined in this article, including checking the device connection, updating device drivers, and running a device troubleshooter.
Prolific Technology actively fights counterfeit chips. When a fake PL-2303 chip is detected, Prolific’s official Windows drivers (v3.3.x and above) deliberately change the device ID to VID_FFFF PID_1201 to disable it. This is a "brick by design" anti-counterfeit measure.
A cheap “USB to TTL” serial adapter (often sold as a PL2303 or CH340 replacement).
