Hidden files, including system backups, or unallocated space on the drive might be consuming space without being visible.
And remember: . No storage device is 100% reliable, least of all a generic NAND USB2DISK drive. usb mass storage devicenand usb2disk full
The drive either has a corrupted firmware or was manufactured with no vendor information programmed. This is extremely common in counterfeit and ultra-cheap drives. Hidden files, including system backups, or unallocated space
Search online databases (like FlashBoot or Russian site iFlash) for the specific mass production tool (MPTool) paired with that controller number. The drive either has a corrupted firmware or
Each device is required to have a serial number string of at least 12 valid digits. The host can generate a globally unique identifier by combining the 16-bit vendor ID, 16-bit product ID, and the serial number's last 12 characters.
This is where the story shifts from a student’s panic to an engineer's intervention. Dr. Aris, the lab supervisor, walked in. He didn't offer sympathy; he offered a solution.