In this tutorial, we show you how to unlock Nokia 8 bootloader officially. This is a two-step process and rather a simple process. All you need to follow this simple steps. First validate your phone for unlock, get device-specific ‘unlock.key’ from Nokia, flash the key via fastboot, and hence unlock Nokia 8 bootloader. Check out our guide below.
Warning: Keep in mind that bootloader is a security feature of the device, so do not proceed unless you have a specific reason for unlocking the bootloader of Nokia 8. This process will void device’s warranty. In addition, the process will factory reset your device, as well as DRM-protected features and content will no longer work. Prerequisites: – Back up all data you have on the phone – Ensure more than 50% battery charge on the phone – A computer with ADB and Fastboot driver set up
How to Unlock Nokia 8 Bootloader Officially
First-step:
- Download Nokia Bootloader Unlocker app APK file on your Nokia 8 and install it on the phone. 
- Launch the Bootloader Unlocker app, fill the required email information and tap on ‘Submit’. 
- You will see validation code appears on the screen (Note down the code safely) 
- Now, go to Nokia bootloader unlock page [here]. Sign in with your Nokia account (you can also use Facebook or Google account to sign in). 
- On the next page, enter the validation code and email address you used to get the validation code. 
- You will get the ‘unlock-key’ file for your Nokia 8 on your email address. 
Second – step
- Download the ‘unlock-key’ file you have received on your email and save it where ADB is installed on your computer (usually, it will be at C:\adb)
- Inside ADB folder, press Shift key, right click and select ‘Open a command window here’ option.
- Now, switch off Nokia 8. While keep pressing the Volume Down button, connect the phone to your computer via a USB cable.
- Your Nokia 8 should now boot into ‘Download Mode’.
- In the command prompt, type the command ‘fastboot devices’ and hit enter key. You should get your device ID.
- Now, type below commands to unlock your Nokia 8 bootloader: fastboot flash unlock unlock.key fastboot oem unlock
- You should now see the ‘Unlock success!’ message. Now, type the command ‘fastboot reboot’ to reboot your phone to system. You have now successfully unlocked your Nokia 8 bootloader. You can now flash TWRP custom recovery, install custom ROM, get root via Magisk, install mods for additional features and more.