How To Unroot And Flash Stock Firmware On Nexus Devices

The Nexus 5 being the best smartphone of 2013, is absolutely a powerful Android device for both the types of people. Not only do novice users prefer the Nexus range of devices, but developers and heavy-duty Android ROM testers also prefer it. The problem with Android Custom ROMs is that everything comes with a drawback or a minor or even a major flaw. Many users might find that these bugs and problems can be overseen, and might use it without any hassle, but for the people who use their devices as their daily driver, then they might be well aware that these bugs might cause several problems with their use of their devices. Many users might find it a better choice to simply flash the Stock ROM on their Android Nexus device. If you happen to be one of the many android users who want to revert their Android nexus Devices back to stock but don’t know how to, then this guide might come in handy. Following are all the major steps that you require in order to flash the Stock ROM on your Android Nexus device.


  • You need to enable the USB Debugging option first. To do that, navigate to Settings>About Phone, and tap the Build Number 7 times. Then again go to Settings and Fine Developer Options at end. Enable USB Debugging in there.
  • You need a fully functional Windows PC.
  • You need the following Toolbox installed on your PC. Download it by clicking here.
  • You need all the necessary drivers installed on your PC. Update Drivers Online automatically.


How To Unroot And Flash Stock Firmware On Nexus Devices

Make sure you have completed all the requirements stated above. You may proceed now.

  1. Download and install the Toolbox from the above link.
  2. Run the Toolbox with Administrator rights.
  3. Now, connect you Nexus Device turned on with the USB Data Cable.
  4. The Toolbox will now display your phone’s model name and number, which indicates that you’re good to go. If it doesn’t show up, try uninstalling and re-installing all the drivers.
  5. To unroot and to flash the stock firmware On your Nexus Device, click on the ‘Flash Stock + Unroot’ button.
  6. This process may take up to 5-10 minutes.
  7. When it is over, your Nexus device will reboot, and will be reverted back to stock.
  8. To unlock the Bootloader, simply connect it again, and this time click on the ‘Lock OEM‘ button.
  9. Voila! You’ve successfully installed the Stock Version of Android on your Nexus Device, and it is fully reverted back to stock!

If you have any queries regarding this article, refer to the comments section below!

Adnan Ahmed
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Adnan Ahmed

Author/Editor at TechBeasts
It all started in the 7th grade - first ROM flashed on the Samsung Galaxy Ace. This was a turning point in Adnan's life. Since then, hr has flashed over a million ROMs, added significant amount of tweaks, and has also rooted several Android devices. Adnan specifically admires Stock Android.
Current Devices : OnePlus One, Samsung Galaxy S2, Micromax Canvas HD, Samsung Galaxy Ace
Adnan Ahmed
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