The second and pre-final preview of the upcoming major Android version has landed. Follow this guide on how to download and Install Android 8.1 Developer Preview 2 on supported Nexus and Pixel devices.
While OEMs are busy bringing Android 8.0 Oreo to their devices, Google is moving a step ahead by releasing the second developer preview of Android 8.1. The update has pretty much reached out just in time before the final release. Google has pushed this update worldwide. However, if you’re not a big fan of waiting then you can simply follow the instructions below to install Android 8.1 Developer Preview 2 System Image on your device.
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Android 8.1 Developer Preview 2 – OPP6.171019.012
The new update, just as preview 1 has API level 27. We have already installed it on our Nexus 6P and it seems like there aren’t any significant changes or new features that have been added to the system, concerning the said device.
As mentioned in the Program Overview, the new preview is all about final testing before the stable release. Now before we get to the steps to install Android 8.1 Developer Preview 2, let’s look at the new features.
There’s a significant new addition for this year’s Pixel 2 devices. According to the previous news on TheVerge, the Pixel 2 and the 2 XL have a dedicated co-processor planted in the hardware for image processing and machine learning. This chip is called the Pixel Visual Core. Every Pixel 2 device manufactured has this chip installed, but it is not yet put to use.
With Android 8.1 Developer Preview 2, Google has activated the feature on the device. Which means starting from this preview, your Pixel 2 will be able to take even better photographs in HDR+. The build also provides the November Security Patches including fix for KRACK WPA vulnerability.
How to Install Android 8.1 Developer Preview 2
If your supported Nexus/Pixel device is enrolled in Android Beta Program, you can update over-the-air. Just go to ‘Settings’ » ‘System’ » ‘System update’ and check for the OTA notification.
In case you have not enrolled or have not yet received the update, you can also install Android 8.1 Developer Preview 2 by flashing the provided System Image.
- Your Nexus or Pixel phone must have an unlocked bootloader. If you have the recently announced Pixel 2, you can follow our guide on how to unlock bootloader on Google Pixel 2.
- The process laid here will not wipe your device’s internal storage. However, you will still lose the apps and related data. So, follow our guide on how to backup Android devices.
- Charge your device to at least 50-60% battery level to avoid any shutdowns during the update process.
- You must install Android SDK tools on your PC. Additionally, you can also set up to use ADB and Fastboot from any directory.
- Download and install Notepad++ on your PC.
Download Android 8.1 Developer Preview 2
Before you get to the instructions to install Android 8.1 Developer Preview 2, download the system image for your device.
- Download the system image for your device and extract its content to the C:\adb folder (Where all the ADB and Fastboot files are present).
- Go to the mentioned folder and you shall see ‘flash-all.bat’ file.
- Right-click on the file and select the ‘Edit with Notepad++’ option.
- In the editor window, find the line starting with “fastboot -w”. Example:
fastboot -w update image-angler-opp6.171019.012.zip
- Edit this line and remove the “-w” flag from it. So that it looks like:
fastboot update image-angler-opp6.171019.012.zip
- Finally, save the file and exit the editor.
- Now, over to your device. Boot it into the Bootloader mode:
- Power down the phone completely.
- Press and hold the Volume Down + Power key until you see the bootloader screen.
- Now to install Android 8.1 Developer Preview 2, simply double-click the ‘flash-all.bat’ file.
- The command prompt (CMD) window will open and the flashing process will begin.
- When the process is complete, boot your phone into the updated OS.
You have just been able to install Android 8.1 Developer Preview 2. If you have any problems installing the update, kindly leave a comment. Also, have you tried the new Pixel Visual Core feature on your Pixel 2? Are the images much better now? Let us know your opinion.