Recovery or "fixing" these drives usually requires specialized Mass Production Tools (MPTools) specifically for FirstChip controllers, such as FirstChip MpTools .
This is the gold standard for checking if a drive's advertised capacity is real. H2testw (for Windows) or F3 (Fight Flash Fraud, for Linux/Mac) writes data to the entire drive and then reads it back. If the drive only has 32GB of real storage but reports as 2TB, the software will fail when it tries to write past the 32GB point. This is a non-negotiable step for peace of mind, especially for budget or generic-brand drives. vid 346d pid 5678 best verified
This guide provides a verified approach to identifying, troubleshooting, and optimizing devices matching these IDs. Identifying VID 346D & PID 5678 USB devices are identified by two primary hex codes: 346D PID (Product ID): 5678 If the drive only has 32GB of real