The changelog for SAMFW Tool v4.4 includes:

Ben had encountered the "Download Mode Fail" error. Arthur had taught him the troubleshooting steps for SamFW:

I can provide a step-by-step walkthrough for your exact situation.

: On your Samsung device, go to Settings > About Phone > Build Number, and tap 7 times to enable Developer Options.

: Begin by downloading the SamFw Tool V4.4 from a reputable source. Ensure you also install the necessary drivers for your Samsung device.