How to Install Android P Developer Preview [Android 9.0]

Android P Developer Preview is now available for download. Google has already released the Android P Developer Preview For Pixel, Pixel XL, Pixel 2 and Pixel 2 XL. Android P comes with a lot of exciting new features. In this tutorial, we will tell you how to Flash Android P Developer Preview on your device.

It has been a long time now since Google has started this trend of first releasing an early version of Android for developers to test their apps and services on it. While these Developer Preview builds are intended for Developers, that does not mean enthusiasts should not download and install it on their devices. Due to the unstable (at least, that’s what Google says) nature of these early builds, they will not be released as an OTA update. I mean, this is not even a Beta product.

Hence, Google is very picky about who can install this and who can’t. If you cannot wait for the final version of Android P to arrive as an OTA update and would love to try the new version, Android P, this guide is for you. Read ahead to know how to properly install Android P Developer Preview on your Pixel device.

Install Android P Developer Preview

The Android P Developer Preview comes with a lot of new features and a completely refreshing new look. While some users say that it looks a bit (or a lot) like iOS, I personally like the look and feel of the UI and UX so far. You can see card UI and rounded system elements everywhere throughout the UI.

Below are some new features of the Android P:

  • Support for Display Cutout/Notch
  • HEIF Image and HDR VP9 Video Support
  • Revamped Settings UI
  • ART improvements
  • Improved Auto-Fill API
  • Time moved to the left in the Status bar
  • Editable screenshots
  • Volume Slider moved to the side
  • Vertically scrollable quick settings
  • much more!

Read ahead to know how to install the latest Android P Developer Preview on your Pixel device.

Download Android P Developer Preview

Download-Android-P

You can download the Android P Developer Preview for Pixel, Pixel XL, Pixel 2, and Pixel 2 XL by heading to Google’s official site:

Download Android P

Make sure to download the right version intended for your device. Flashing a wrong file might put your device into a boot loop.

Prerequisites

  1. Make a complete backup of your device before proceeding. This process will completely wipe out your device.
  2. ADB and Fastboot Tools: Make sure you have them installed on your PC. Download and Install Minimal ADB and Fastboot.
  3. Enable OEM Unlock and USB Debugging on your device.

Unlock You Device Bootloader

In order to be able to manually flash the Android P Developer Preview, you should have unlocked bootloader. This is a pretty simple process. Again, make a complete backup of your device before proceeding. Follow the below steps to unlock bootloader on your device.

  1. Make sure you have enabled OEM Unlock and USB Debugging.
  2. Connect your device to your PC. If you get the below prompt, check the box which says ‘Always allow from this computer‘ and tap OKAllow-USB-Debugging
  3. Go to the folder where ADB and Fastboot are installed on your PC. Open Command Prompt from inside this folder.
    ⇒ Hold down Shift Key + Right Click anywhere inside the folder > Select ‘Open command window here‘ or ‘Open PowerShell window here’.
  4. Now, reboot your device to bootloader mode by executing the below command in command prompt:
    adb reboot bootloader
  5. Once your device reboot into bootloader mode, execute the below command to check if your device is properly connected in bootloader mode:
    fastboot devices

    If your device is properly connected, your device serial number will be displayed.

  6. To unlock your bootloader, execute the following command:
    Pixel or Pixel XL: fastboot oem unlock
    Pixel 2: fastboot flashing unlock
    Pixel 2 XL: fastboot flashing unlock_critical

    You will get a prompt on your device. Accept it.

  7. Done!

Your device bootloader is now successfully unlocked. Proceed to the next step to Flash Android P Developer Preview.

How to Flash Android P Developer Preview Image

  1. Extract the Android P Developer Preview system image you have downloaded before. Inside that, you will find another zip file; extract that as well.Install-Android-P-Developer-Preview
  2. After extracting, move all the files to the folder where ADB and Fastboot are installed.
  3. Make sure your device is still in bootloader mode and is still connected to your PC.
  4. Execute the below commands one by one in command prompt. Do not run them all together:
    fastboot flash bootloader <bootloader file name here>.img
    fastboot reboot-bootloader
    fastboot flash radio <radio file name here>.img
    fastboot reboot-bootloader
    fastboot flash -w update <image file name here>.zip
    fastboot reboot
  5. Your screen should now look something similar to this:Flash-Android-P-Developer-Preview

After all the above commands are done executing, your device will automatically reboot into Android P. Please note that the first boot might take longer than usual; do not worry, this is expected.

Install Android P Developer Preview via ADB Sideload

If the above method doesn’t work out well for you, there is another way by which you can get the Android P Developer Preview on your device. You can simply sideload the official OTA update file of the Android P images via ADB on your device. The upside of using this method is that you will not lose any data which is already available on your device.

Note: Your device must be on OPM1.171019.021 (March security patches on 8.1) build for the OTAs to work.

Follow the below steps:

  1. Download the Android Oreo Developer Preview OTA Zip file from the below link:
  2. Make sure you have enabled OEM Unlock and USB Debugging.
  3. Connect your device to your PC. If you get the below prompt, check the box which says ‘Always allow from this computer‘ and tap OKAllow-USB-Debugging
  4. Go to the folder where ADB and Fastboot are installed on your PC. Open Command Prompt from inside this folder.
    ⇒ Hold down Shift Key + Right Click anywhere inside the folder > Select ‘Open command window here‘ or ‘Open PowerShell window here’.
  5. Now, reboot your device to bootloader mode by executing the below command in command prompt:
    adb reboot bootloader
  6. Once you are in bootloader mode, use the volume key until you see ‘Recovery’ and then use the Power button to select it.
  7. Your device will now boot into a screen with Android logo with an exclamation mark. Press Volume Up and Power at the same time.
  8. You will now be in recovery mode. Here, use the volume buttons to highlight Apply update from ADB and then use the Power button to select it.
  9. Now, on your PC, execute the following command in command prompt:
    adb sideload <filename of update.zip>

Once you execute the above command, the installation process will begin. Wait for the process to complete. Your device will automatically reboot into Android P. Please note that the first boot might take longer than usual; do not worry, this is expected. Hope this tutorial helped you to install Android P Developer Preview on your device. If you need any help, do drop a comment below!

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