How to unlock bootloader on Nokia 1 Plus

So if you want to try any Custom ROM or any tweak or mod file, it is just not possible to load the custom ROM with a locked bootloader. Smartphone manufacturers want to stay with the Stock ROM without any mod or root file.

How to Unlock Bootloader on Nokia 1 Plus

Now, you can unlock bootloader easily by following the full step-by-step guide. Check out the pre-requirements, and steps.

Pre-Requirements:

1. This guide is only for Nokia 1 Plus devices.
2. You will need a Laptop or a PC and a USB cable.
3. Charge your phone battery up to 70% at least.
4. Make sure that you have the Android USB drivers installed.
5. Download the ADB Fastboot tools. Watch Video on How to Install ADB Fastboot on your PC.
6. Take a complete backup of your phone and then proceed.

Steps to Unlock Bootloader on Nokia 1 Plus

• First of all, note down the device serial number.
  • Go to Settings > System > About Phone > Model and Hardware.
  • Let’s assume that this is the device serial number: ANTBA00123456789. [For example]
• Calculate the md5 checksum of the serial number:
  • Please search the md5 checksum calculation website online.
  • Now, let’s assume that the md5 checksum of ANTBA00123456789 is 20326118cff83af7de53749a34e68fae. [For example]
• You need to enable the Developer Options.
  • In order to enable the Developer Options, Go to your Settings > About > Software Information > More > Now, tap on the Build Number for 7 times to enable it.
• Go back to Settings main menu > Developer Options > turn on Enable OEM Unlock and USB Debugging.
• After downloading ADB fastboot Zip file on your PC, extract it.
• Now, connect your phone to the Computer using USB Cable.
• When you connect your Phone to Computer, please wait until all the drivers get installed.
• In your ADB fastboot folder open a command prompt window by pressing Shift Key + Right Mouse Click
• Now type the command in your command window and press enter:

adb devices

• If you see a pop up to allow USB Debugging on your phone, tap on OK.
• Next, type the command below to reboot your phone to bootloader and hit enter:

adb reboot bootloader

• Once your phone reboot into bootloader, make sure your phone shows the bootloader locked and then type the command below to make sure fastboot drivers are installed properly.

fastboot devices

• This command will list the connected devices. If your phones serial number shows up you are good to go and may continue. If the phone isn’t listed this indicates that your drivers are not installed correctly. In order for you to continue, you must fix your drivers so that your phone is listed under fastboot devices.
• If the phone has been recognized by the command above, proceed to unlock the bootloader with the following command:

fastboot oem key 20326118cff83af7de53749a34e68fae
fastboot flashing unlock

• Press the Volume Up key to confirm the unlock.

For MediaTek models:

• Type the command to confirm bootloader unlock state:

fastboot getvar unlocked

• If bootloader unlocked, it will tell you:

unlocked: yes

That’s it. You have successfully unlocked the Nokia 1 Plus device bootloader. Hope this guide will be helpful to you. In case, if you’re facing any issue, feel free to ask in the comments below.

Source: XDA