After a successful Phison PS2251-07 update, do the following:
PS2251-07.iniPhison does not release "security patches" or "speed boost" updates for retail USB drives. The only reason to perform this process is to resurrect a dead drive. If your drive works fine, do not touch it.
If you accidentally flash a 16GB firmware onto a 128GB drive, you will permanently erase the capacity mapping and end up with a 16GB brick. phison ps225107ps2307 upd
If you have ever purchased a USB flash drive that claimed to be 1TB but cost only $15, or if you have a drive that suddenly became "read-only" or shows "0 bytes" capacity, you have likely encountered the Phison PS2251-07.
While Phison is a reputable Taiwanese company that makes excellent controllers, the PS2251-07 (often marked as PS2307 in hardware IDs) became the darling of the "flash memory black market." After a successful Phison PS2251-07 update , do
The PS2251-07 is notorious in the counterfeit goods market. Scammers utilize the MPALL tool to program these controllers to report capacities larger than the physical memory allows (e.g., reporting 128GB on a 4GB chip).
Problem: The drive is in Boot ROM mode, or the NAND has bad hardware blocks. Fix: You need to short the pins: Go to Partition Setting :
The most interesting aspect of the PS2307 is its role in the global Fake Flash epidemic.
Scammers realized that the PS2251-07 firmware could be manipulated to report false capacity to the computer.
This controller was so prevalent in these scams that a massive community project called "FlashDrive.ru" and tools like H2testw became essential utilities just to combat PS2307-based drives.