How to Install Android 8.0 Oreo Beta on Essential Phone We have put together a detailed step-by-step instructions guide on how to update Essential Phone to Android 8.0. This process uses ADB sideload to push the update zip package to the phone. Please read every line carefully and make sure you read the tutorial once before actually performing on your device.

How to Install Android 8.0 Oreo Beta on Essential Phone
We have put together a detailed step-by-step instructions guide on how to update Essential Phone to Android 8.0. This process uses ADB sideload to push the update zip package to the phone.
Please read every line carefully and make sure you read the tutorial once before actually performing on your device.
To Remember:
This tutorial is only for Factory Unlocked Essential Phone. Please don’t try this on any other variants of the phone.
Make sure you backup all your data in your phone before proceeding.
You need to have an unlocked bootloader.
Complete Step-By-Step Instructions:
Step 1 –Download Oreo Beta ) for Essential Phone to your computer and extract the zip file.
Step 2 – Please make sure Fastboot is configured and properly installed on your computer. How? See here: How to Set Up ADB and Fastboot with Android SDK.
or
Step 2 –Download ADB / Fastboot – Android SDK Platform Tools separate package and install on your computer. Download from the following links depending on your OS and extract it anywhere in your computer.
Windows: Download platform-tools-latest-windows.zip
MacOS: Download platform-tools-latest-darwin.zip
Linux: Download platform-tools-latest-linux.zip
Step 3 – Switch OFF your phone. Now go to Fastboot Mode. How? Press and hold the Volume Down + Power buttons together. The phone should now boot into Fastboot / Bootloader mode.
Step 4 – Make sure you have your USB Drivers installed on your computer.
Step 5 – From the extracted package that you downloaded in Step 1, run flashall.bat for Windows or flashall.sh for Mac.
Step 6 – After the installation is completed, your phone will restart. After you see the home screen, unplug your phone from the computer.
That’s it! Your Essential Phone has now been updated to Android 8.0 build OPM1.170911.130 firmware update. Go to Settings > About phone to verify.

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