: Supports USB 3.1 Gen 1 (formerly USB 3.0) with speeds up to 5Gb/s.
Crucially, this chip has a feature meant for technicians: It allows manufacturers to update the firmware (the software inside the controller) to fix bugs or change the drive's identity (e.g., changing a 32GB drive to appear as a 64GB drive, a common scam tactic). Phison Ps2251-07-ps2307-
When a standard CHKDSK or format fails, the PS2251-07 requires – factory-level software that reinitializes the controller, rebuilds the FTL, and performs low-level formatting of the NAND. : Supports USB 3
This process erases all data permanently. Do not proceed if you need to recover files – send the drive to a professional lab first. This process erases all data permanently
: Manually shorting specific pins on the NAND chip to force the controller into PRAM/Test mode if it is not recognized.
This is where the PS2251-07 is (or infamous) in the flash drive community.