: Compatible with 1x, 2x, and 3x nm NAND flash memory, including TLC and eD3 types.
is well-known in the data recovery and enthusiast community due to its widespread use and the availability of third-party repair tools: Reverse Engineering USB: Need Help Identifying Components phison ps225107ps2307 upd
The PS2251-07 is outdated. Newer Phison controllers (PS2251-09, PS2309, PS2251-15) support faster USB 3.2 Gen 1, higher ECC (LDPC), and better QLC handling. If your drive has failed, replacement is often cheaper and safer than attempting a firmware update. : Compatible with 1x, 2x, and 3x nm