Write speeds have dropped significantly below advertised specs (e.g., falling under 500MB/s).
On the PCB of the SSD, there are usually two small solder pads labeled "ROM." Shorting these with tweezers while powering on the PC forces the controller into ROM Mode . Sm2263xt Firmware
⚠️ Many Chinese-brand SM2263XT drives (Fanxiang, KingSpec, Netac, etc.) never release public firmware updates. In that case, do not attempt cross-flashing – it can brick the drive. Sm2263xt Firmware
Updating Sm2263xt Firmware is a relatively straightforward process. Here's a step-by-step guide: Sm2263xt Firmware
sudo nvme id-ctrl /dev/nvme0 | grep fr