How to Install Android O on Nexus Pixel

Android O Developer Preview has been released as a factory image as of now, You can't use Android beta program to get over-the-air update. Android O is in early stage and is not recommended as a daily driver.

Note : You need to do an "OEM Unlocking", which will erase all of your device data.

15+ New Features in Android O Developer Preview

Video Demo for this Post

Files Needed

Android O is currently not on beta program, means you can only flash it. Download the appropriate complete ROM from link below,

• Android O Developer Preview Images
• TWRP (Root Only)
• FlashFire (Root Only)
• Super SU 2.79 SR3 (Root Only)

Configure the PC

You need two necessary files, "ADB" and "Fastboot". There are few options you can have depends upon your requirement.

• Install Android Studio
• Minimal ADB and Fasboot
• Android SDK for Windows (.Zip)

I will recommend for Android SDK.

Configure The Phone

Enable Developer Options in your android device by heading into Settings, then scroll all the way down to the bottom and hit About Phone. In here, scroll down to the bottom again and tap Build Number seven times in rapid succession. Next, back out one level and you’ll see a new Settings menu titled Developer Options. Open this menu, then tick the box next to Enable USB Debugging and press OK on the subsequent popup.You can optionally also enable the 'Advance Reboot' too.

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Connect Your Phone/Tablet to Your Computer then unlock your device and you should see a dialog box asking you to Allow USB Debugging. Tick the box next to Always Allow From This Computer and tap OK.

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Installation Methods

There are few ways you can install the Android O developer preview. A summary of steps are as follows.

• Make sure to take complete backup
• Next step is to configure the PC/laptop and install the adb and fastboot. See the above download links to install it.
• Unlock the Bootloader of your Nexus and Pixel devices.
• Connect your device to your computer over USB.
• Start the device in fastboot mode with one of the following methods:
  • Using the adb tool: With the device powered on, execute:
    adb reboot bootloader
  • Using a key combo: Turn the device off, then turn it on and immediately hold down the relevant key combination for your device. For example, to put a Nexus 5 ("hammerhead") into fastboot mode, press and hold Volume Up + Volume Down + Power as the device begins booting up.
• If necessary, unlock the device's bootloader using one of the following methods:
  • If you are updating a Nexus 5X or Nexus 6P device using the hammerhead or angler builds, update your fastboot tool to the latest available version (>=23.0.1), and then run this command:
    fastboot flashing unlock
  • If you are updating an older device, run this command:
    fastboot oem unlock
  The target device will show you a confirmation screen. (This erases all data on the target device.)
• Now you have bootloader unlocked its time to install the Android O follow the below videos to see how to install,

Install via Flashfire (ROOT)

See this post of "How to Install OTA Updates on Rooted Phones". This post will guide you on how to install ota with adb and fastboot.

Install via adb sideload (No ROOT)

Watch this video demo to see them all,

Install via adb/fastboot (ROOT / No ROOT)

Install via TWRP

This is a very simple method if your device is rooted. You have to copy the complete flash file in the directory of your choice and then go to recovery. Browse the file and click to flash.

So these are the few ways you can install the Android O Developer Preview.

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