How To Install Essential PH-1 Stable Android 8.1 Oreo Firmware

Finally Essential starts rolling out stable Android 8.1 Oreo update. Now you can download and install Essential PH-1 Stable Android 8.1 Oreo Firmware. After a series of beta updates, now company released the stable Android 8.1 Oreo build for Essential PH-1. This latest official update comes with build number OPM1.180104.092 and released for those users, are already on beta 1 and non-beta users. The Essential PH-1 Stable Android 8.1 Oreo Firmware comes with few tweaks and improvements along with March 2018 security patch, dynamic calendar, and clock icons.

This latest update weighs around 276 MB and includes the fix for slow scrolling jitter, clock icons, dynamic calendar. Also, the update brings many new features like Picture-in-Picture, Google Play Protect, Project Treble, Autofill, instant Apps, Better public Wi-Fi connections, Revamped notifications, Smart text selection, Better battery life and much more. The Android Oreo is the 8th iteration of Android OS and now you can get the experience of latest Android OS on your own device officially. The Essential PH-1 build OPM1.180104.092 is rolling out via OTA (Over-the-Air), which means it will take some time to reach in your region. So if you are excited and can’t wait more then still, you can install Essential PH-1 Stable Android 8.1 Oreo Firmware manually by following this simple and easy step by step guide.

We always strongly recommend keeping updated your Android devices to the latest official stock firmware, released by Essential. Not necessary but it is better to take the full backup of all your valuable data. If you are interested in installing Essential PH-1 Stable Android 8.1 Oreo Firmware then go ahead and follow the given steps.

Essential PH-1 Stable Android 8.1 Oreo Firmware


This guide containing the Official Android 8.1 Oreo firmware and instructions works only with the Essential PH-1. Do not try to install this firmware on any other device or incorrect variant. Verify the model number of your device by navigating to Settings > About Phone, the model number of your device must be models ZE551KL.

Warning: will not be held responsible for any damage occurred to your Essential PH-1 during or after the installation of Android 8.1 Oreo Proceed at your risk.


  • Make a proper backup of all the existing data and settings of your Essential PH-1, in case anything goes wrong then you’ll be able to restore your data back.
  • Verify that you’ve correctly installed the Essential PH-1 USB Drivers on the PC.
  • Enable USB Debugging Mode on your Essential PH-1 by navigating to Settings > Developer Options > check the USB Debugging option.
  • If you have a custom ROM installed on the phone, then after installing this stock update, it will be lost.
  • The stock version will replace the custom recovery.
  • Check the battery level of your Essential PH-1, and it should be charged at least about 80% before proceeding to the installation guide.

Required Files:

  • Download OPM1.180104.092 Essential PH-1 Stable Android 8.1 Oreo Firmware

Steps to Install OPM1.180104.092 Essential PH-1 Stable Android 8.1 Oreo Firmware:

Step No 1: First, setup ADB and Fastboot on your PC.

Step No 2: Download the Official Android 8.1 Oreo firmware file on the desktop of your PC from the above-given link and rename it to

Step No 4: Connect your Essential PH-1 with your PC/laptop using its USB data cable.

Step No 5: Open the folder where you have placed the downloaded file and also open command windows within the folder.

Step No 6: Type the following command and hit Enter to reboot your phone into Recovery Mode.

adb reboot recovery

Step No 7: Select the “Install from USB” option in Recovery Mode.

Step No 8: Type the following command and hit Enter.

adb sideload

9: The installation process will initiate, so wait for the installation to completes successfully.

Done! You have successfully installed Essential PH-1 Stable Android 8.1 Oreo Firmware.


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