If the drive isn't recognized, you can manually update it via Device Manager by selecting "USB Mass Storage Device" and using the "Update Driver" function.
To get the performance and reliability out of these specific devices, follow the optimization and recovery guide below. 1. Identify Your Device Specifications
Some budget drives with these IDs are "fake capacity" drives (e.g., a 16GB chip programmed to report as 64GB). Use tools like H2testw to verify the actual storage space before trusting it with important data. 2. Best Performance Settings: exFAT vs. FAT32 vid+346d+pid+5678+best
The "best" way to manage this device is to know exactly what is under the hood. Since VID 346D/PID 5678 is a generic identifier, manufacturers often use it for various memory chips.
If your VID 346D PID 5678 drive becomes "Write Protected" or shows "No Media," it often indicates a firmware glitch. The industry-standard tool for reviving these FirstChip-based drives is the FirstChip MpTools . Download the version compatible with or FC1179 . If the drive isn't recognized, you can manually
Most commonly uses the FirstChip FC1178/FC1179 series.
While many of these drives come formatted as FAT32, user tests suggest that switching to can significantly improve transfer speeds for larger files. Read Speeds: Typically range around 19 MB/s. Identify Your Device Specifications Some budget drives with
Run a "Factory Scan" to reset the controller to its original state.