This is the standard approach for most users and does not require a computer. : Completely shut down your Nokia G300 5G

: Install ADB and Fastboot Tools on your PC and connect your phone via a USB cable.

This method requires no computer and works even if your phone is frozen, stuck in a boot loop, or has a corrupted OS. It uses the physical buttons on the device.

The Nokia G300 5G is a robust mid-range smartphone known for its large display and 5G connectivity. However, like many Android devices, it has a hidden, powerful layer called (also known as Bootloader Mode). This mode is essential for advanced users who want to unlock the bootloader, flash custom recoveries (like TWRP), install factory firmware, or root the device.

To open Fastboot Mode on a Nokia G300 5G Go to product viewer dialog for this item.

On Windows, open the folder where your ADB tools are located, type cmd in the address bar, and hit Enter.

If your Nokia G300 5G is still booting into Android normally (or into Recovery Mode), you can use ADB (Android Debug Bridge) to reboot directly into Fastboot.

On the Nokia G300 5G, the Volume Rocker (Up and Down) and the Power button are located on the right side of the device.

This is the most reliable method and works even if your phone is stuck in a bootloop or turned off. This is the standard way to access Fastboot on the Nokia G300 5G.

On the phone: