Do not attempt to flash the firmware. You will need professional tools like the PC-3000 Phison Utility
Compatible with 2D/3D TLC and QLC NAND flash memory. phison ps3111-s11-13 firmware
Do not download random "PS3111 firmware" files. Firmware is brand-specific. A firmware for a Patriot Burst will brick a Kingston A400 . Do not attempt to flash the firmware
The tool will write a fresh firmware, rebuild the FTL, and format the drive. rebuild the FTL