However, the real ISP (main firmware) is stored in hidden areas of NAND and compressed. Extracting it requires proprietary SMI tools.
Check Event Viewer > System Logs . If you see this repeatedly, your NVMe driver is losing communication with the SM2263XT firmware. Sm2263xt Firmware
Some SM2263XT drives enter a firmware panic lock but can reset: However, the real ISP (main firmware) is stored