$ lsusb -d 346d:5678 Bus 001 Device 002: ID 346d:5678 USB Disk 2.0
When troubleshooting hardware issues or developing custom drivers, Windows Device Manager or Linux terminal logs often reveal cryptic identification strings. One such identifier is .
Arduino-compatible clones frequently use WCH chips for USB communication. vid 346d pid 5678
Go to a reputable tech forum (e.g., MyDigital or USBDev). Search for FirstChip_MpTools or FC1179 MP Tool . Download the latest version compatible with your controller (e.g., FirstChip_MpTools_20201118 or FirstChip_MpTools_2021-10-24 ).
If you are trying to make the device functional or fix capacity errors, the standard process involves: $ lsusb -d 346d:5678 Bus 001 Device 002:
Click . Uncheck Show compatible hardware .
Move the device from a USB 3.0 (blue port) to a USB 2.0 port, or vice versa. Some older chipsets are incompatible with USB 3.0 power and timing profiles. Go to a reputable tech forum (e
Are you trying to from this specific drive, or are you looking for firmware repair tools for a "Device Not Recognized" error? USB Flash Drive Speed Tests - VID = 346d, PID = 5678
The physical chip inside the drive (often a chipsbank, Alcor, or Silicon Motion controller) is failing or lacked sufficient power during a write cycle.
Use a tool like ChipGenius to confirm the exact controller and Flash ID (FID).