How To Manually Install Android O Developer Preview On Pixel & Nexus Device

Here is how to install Android O Developer Preview factory images on Google Pixel families, including Pixel, Pixel XL and Pixel C, also Nexus 5X and Nexus 6P. You can follow the guides from this post if you want to manually update your device to Android O Developer Preview right now.

Google has rolled out its developer preview factory image for its latest Android version called O (Oreo) this month. It’s becoming a tradition that the company released their iteration software before the coming of the developer conference in summer like last year.


Now the Android O is here, taking the Google’s owned devices as the honor receiver for the Android O developer preview before the final release.

If you own the device that I mentioned on the first paragraph then you have the chances to taste this pre-build Android O right now. So you can test and feel its power, and Google also expect you can give them feedback to add more thoughts for Google to make the O better.

But keep in mind that the software it’s still in early build, therefore everything is probably not running as expected, so prepare for bugs and something unwanted once the software is fully installed on your device.

Download Android O developer preview from Google Android’s official website from below link and extract it

 Android O developer preview factory image



How To Manually Install Android O developer Preview on Pixel and Nexus Device


How To Manually Install Android O developer Preview on Pixel and Nexus Devices?

Remember to proceed to the guides below but all the possible risks are yours to bear.

  1. Unlock your device’s bootloader first before going on, do so by head to Settings -> Developer Options -> Tap the Android for several times -> Unlocek OEM.
  2. You need to execute the following command to check whether your device’s bootloader is locked.

    adb reboot bootloader

  3. If your device’s bootloader is locked, then unlock it by executing this command.

    fastboot oem unlock

  4. Then your device’s screen will show several prompts to question you to confirm if you really wish to unlock its bootloader
  5. Then choose the Android O build you downloaded above. within the extracted folder, you will see a zip file called Extract the zip file you will have bootloader, OS image, radio image and vendor image.

Another method

  1. See whether your device’s bootloader locked or unlocked by executing this command.

    adb reboot bootloader

  2. And then reboot to bootloader mode to further install the factory memory.
  3. Now execute the command to install the factory image to your device.
    • For Windows this command; flash-all.bat
    • For Mac or Unix use this command; ./
  4. The command above will install the Android O to your device. And your device will reboot automatically.

Now you can root Android O!

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