When the "Choose an option" screen appears, go to > Advanced options > Startup Settings and click Restart .
You forgot to disable Driver Signature Enforcement. Reboot into Advanced Startup and try again.
The Jaf Box Driver for Windows 10 64-bit v15 is the most stable community solution available. It is not perfect—you may encounter occasional blue screens (BSOD) with PAGE_FAULT_IN_NONPAGED_AREA due to the unsigned kernel driver. However, for reviving old Symbian phones or unlocking feature phones, it remains irreplaceable.