How to Unbrick, Unroot or Flash Firmware on Nokia 8 using OST (Online Service Tool)

Nokia 8 devices can be flash the official firmware using the tool called OST (Online Service Tool). If you are looking to flash the stock firmware on Nokia 8, then you need this tool to flash. Earlier this tool cannot be used by any Customer End PC. Because this tool used to work only with the Authorized Nokia Service Partners registered PC. Now the good news is that even the consumer can use this tool without any issue.

Talking about the specs, Nokia 8 features a 5.3-inches display with a screen resolution of 1440 x 2560 pixels. The smartphone is powered by Octa-core (4×2.45 GHz Kryo & 4×1.9 GHz Kryo) and Qualcomm MSM8998 Snapdragon 835 coupled with 4/6GB of RAM. The phone packs 64/128GB internal memory and expanded up to 256GB via microSD card. The camera on the Nokia 8 comes with Dual 13MP rear Camera and 12MP front shooting camera. Nokia 8 runs on Android 7.1.1 Nougat out of the box. It also has a Fingerprint sensor on the front.

How to Unbrick, Unroot or Flash Firmware on Nokia 8 using OST (Online Service Tool)

Nokia 8 comes with the latest Android update Android 7.0 Nougat out of the box. If you are a fan of Nokia, then you would be definitely knowing that Nokia 8 has promised the next update of Android Oreo.

Yes! You heard me right! Now we have got the OST tool working from all the PC by using the patched OST tool. You need to download the official firmware for your phone and then download the OST (Online service tool) with the patch. You can follow the simple guide below on How to Flash the Nokia 8 firmware using OST.

Thanks to @Quixote78 for patching the OST tool and the instructions to install the firmware. Full Credits to him for his hard work.

The Nokia 8 Firmware file comes with .nb0 extension, so make sure to find a way to extract it.

If you have bricked your device then this guide will be very helpful to unbrick it. If you have installed root or installed any custom OS, then this guide will help you to revert back to stock ROM. This way you can claim the warranty in case if something goes wrong.

Advantage of Using Online Service Tool

  • Unbrick your Nokia 8 smartphone.
  • Fix lag or battery issue.
  • You can revert back to stock ROM anytime.
  • Flashing firmware on Nokia 8 is made easy.
  • Downgrade or Upgrade on Nokia 8.
  • Unroot your phone.
  • Fix the soft brick or boot loop issue on Nokia 8.

Here are the download files

Download Nokia 8 Firmware

Download OST ToolPatch File

How to Flash Firmware on Nokia 8 using OST:

Follow the below guide to flash the official firmware on Nokia 8 by using the Online Service tool. You need to first use the patch exe file to install.

Flash Nokia Firmware Using OST Tool

That’s it! You have successfully flashed the Firmware on Nokia 8 using OST (Online Service Tool). Congrats! Enjoy!


  1. With this software you can’t downgrade software. It buls…t. Whatever you do always there is error at the end of install process.

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