This feature allows you to hard reset the phone even if the operating system is corrupted or the phone is stuck in a "Bootloop" (constantly restarting at the Nokia logo) and cannot access the standard Android Recovery Menu.

allow you to send a direct "reset" command from a PC if you can get the device into Fastboot mode. Professional Boxes

Phone freezes during reset in recovery mode. Solution: Force restart by holding Power + Volume Down for 15 seconds, then retry.