Phison Ps225107ps2307 — Upd

The Phison PS2251-07 (often labeled PS2307 on the PCB or in device firmware) is a popular USB 3.0 (5 Gbps) flash drive controller. It was widely used from the mid-2010s onward in affordable to mid-range USB drives from brands like Kingston, ADATA, Corsair, and Patriot.

There is no official end-user firmware updater from Phison. Instead, advanced users use MPTool (Mass Production Tool), leaked or vendor-customized software meant for factory use.

You will need:

The PS2307 is not a different chip – it’s the same silicon (PS2251-07) but labeled by Phison for certain customers. MPTool identifies both as 2251-07. Firmware files are interchangeable.

WARNING: Flashing the wrong firmware will permanently kill your flash drive. There is no undo button. Data recovery is impossible after a re-flash. Back up any data before proceeding (if the drive still works). phison ps225107ps2307 upd

For PS2251-07, you need:

Download archives typically contain:

This process uses MPALL (Mass Production Tool). The term "mass production" is what Phison calls firmware flashing.

The PS2251-07 is a high-performance USB 3.1 Gen 1 controller commonly found in OEM (Original Equipment Manufacturer) flash drives, memory sticks, and MP3 players. The Phison PS2251-07 (often labeled PS2307 on the