Keep holding both buttons for about 10–15 seconds.
Fastboot Mode (also known as Bootloader Mode) is a diagnostic and flashing tool used to modify the phone’s firmware, unlock the bootloader, or install system updates manually. On the Nokia G50 5G , accessing Fastboot is slightly different from older Nokia models because the device uses a standard key combination. How to Open Fastboot Mode on NOKIA G50 5G
Open a command prompt or terminal on your PC and type: Keep holding both buttons for about 10–15 seconds
While still holding Volume Down , press and hold the Power button . unlock the bootloader
Press and hold the Volume Down button.