Locate the controller pins. On Phison controllers, shorting two specific data lines tells the chip to ignore its internal memory and boot via USB commands. Usually, these are pins or 31 and 32 on the controller chip, or corresponding pins on the NAND chip.
Watch the progress bar carefully.
Run MPALL_F1_9000_v370_0E.exe , click Update , and then Start once the drive is detected. Fix All flash drive problems by resetting it's software phison ps2251 07 firmware
Origins and role