While the official brand is often Teclast (with models like "Teclast CoolFlash"), the VID/PID combination is famous online because it is also used by numerous third-party manufacturers and counterfeit drive producers. This is why you'll see dozens of different brands (like Biwin, Integral, and USAMS) all sharing the exact same VID and PID.
Standard Windows formatting tools cannot fix these issues because the onboard micro-controller has locked itself to protect remaining data blocks. Resolving this requires flashing the microcontroller firmware using specific . Finding the Correct MPTool vid 346d pid 5678 best
: Ideal for confirming the Hynix flash ID code ( AD7E280B00C0 ). 2. FirstChip MpTools (Mass Production Tools) While the official brand is often Teclast (with
Before attempting a repair, confirm the controller chip using diagnostic software. Apply the steps above
Do not settle for the first driver Windows finds. The "best" driver is the one that gives you . Apply the steps above, and your VID 346D PID 5678 device will perform better than 99% of out-of-the-box installations.
While these drives are widely available, they are frequently linked to "fake capacity" issues where the firmware reports a larger size than the physical NAND flash memory can actually hold. Technical Specifications and Performance