How To Install Android 8.0 Asus ZenFone 4 Pro Android Oreo Update

The owner of Asus ZenFone 4 Pro (ZS551KL) will be happy to know that, company has started rolling out the Asus ZenFone 4 Pro Android Oreo Update via OTA. Asus continues to update it’s ZenFone 3 and 4 smartphones. Now the time to update ZenFone 4 Pro to Android 8.0 Oreo official update. This latest update comes with version number 15.0410.1802.34 along with latest security patch. This latest Oreo update comes with tons of new features and changes like swipe up gesture to open all apps, brings Long screenshot functionality, important launcher changes, more friendly setting UI design, Background limits, Autofill functionality, smart text selection, notification dots, Android Instant Apps, Picture-in-Picture and much more. Also, the update brings various power consumption improvements, sweet 8.0 package, performance enhancements, interface revisions and so on.

The Asus ZenFone 4 Pro Android Oreo Update rolling out via OTA (Over-the-Air) so it might take several days until it reaches all units. If you are excited and can’t wait for more for this OTA update then still you can install Android 8.0 Oreo OTA update manually by following this simple step by step guide. The Asus ZenFone Pro (ZS551KL) comes with Android Nougat out of the box and now it is receiving Android 8.0 Oreo update. After flashing Asus ZenFone 4 Pro Android Oreo Update you can get the experience of latest Android OS on your device officially. Not necessary but it is better to take the full backup of all your valuable data.

The Android 8.0 Oreo FOTA file for Asus ZenFone 4 Pro is not available for now, but don’t worry we will provide it soon. Through that, you can Update Asus ZenFone 4 Pro to Oreo manually. Now go ahead and follow the given guide on How To Install Android 8.0 Asus ZenFone 4 Pro Android Oreo Update.

ZenFone 4 Pro Android Oreo Update


This guide containing the Official Android 8.0 Oreo firmware and instructions can be used only with the ZenFone 4 Pro (ZS551KL). 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 Asus ZenFone 4 Pro (ZS551KL) during or after the installation of Android 8.0 Oreo Proceed at your risk.


  • Make a proper backup of all the existing data and settings of your ZenFone 4 Pro (ZS551KL), in case anything goes wrong then you’ll be able to restore your data back.
  • Verify that you’ve correctly installed the ZenFone 4 Pro (ZS551KL) USB Drivers on the PC.
  • Enable USB Debugging Mode on your ZenFone 4 Pro (ZS551KL) 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 ZenFone 4 Pro (ZS551KL), and it should be charged at least about 80% before proceeding to the installation guide.

Required Files:

  • Download Official Update 15.0410.1802.34 Android 8.0 Oreo for 4 Pro (ZS551KL) [ Link Updated Soon]

Steps to Update ZenFone 4 Pro Android Oreo Update Android 8.0 Oreo:

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

Step No 2: Download the Official Android 8.0 Oreo firmware file on the desktop of your PC from the above-given link and rename it to

Step No 4: Connect your ZenFone 4 Pro (ZS551KL) 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 the Official Android 8.0 Oreo ZenFone 4 Pro Android Oreo Update.


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