Update GuidesHow To

Download/Install Asus Zenfone 3 Deluxe Android Oreo Official Firmware

Here is How To Download/Install Asus Zenfone 3 Deluxe Android Oreo Official Firmware. Asus started pushing official firmware Android Oreo update for Asus Zenfone 3 Deluxe. This latest Android Oreo official update comes with build ID number WW_V80.20.96.89 along with latest security patch. Many companies have already announced Oreo update officially but the Asus may not be a big player in the Android smartphone market. Now Asus has officially announced the latest official update based on Android 8.0 Oreo. By following this detailed guide, you will be able to download and update your Asus Zenfone 3 Deluxe Android Oreo update.

The update is an incremental update which rolls out via OTA (Over-the-Air) in phase wise manner. So not all users can get the update at the same time. If you are excited and can’t wait more for this Ota update, then still you can update Asus Zenfone 3 Deluxe Android Oreo update manually.

The new update is based on Android 8.0 Oreo and brings lots of features and changes like Picture-in-Picture mode, Notification Categories, Notification Dots, Instant Apps, Autofill Framework, Smart Text Selection, Better device settings screen and much more. Also, the Asus Zenfone 3 Deluxe Oreo update brings some device specific changes. The Asus Zenfone 3 Deluxe was launched in 2016 and comes with Android 6.0 Marshmallow, now it is good to see that the device will be upgraded to latest Android Oreo OS.

After installing Asus Zenfone 3 Deluxe Android Oreo update, you can enjoy all the features and customizations of latest Android OS on your device officially. Not necessary but it is better to take the full backup of all your valuable data. If you are interested in updating Asus Zenfone 3 Deluxe Android Oreo update then go ahead and follow the given steps.

Asus Zenfone 3 Deluxe Android Oreo update


This guide containing the Asus ZenFone 3 Deluxe Oreo firmware update is working only with the ZenFone 3 Deluxe models ZS550KL. 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 ZS550KL.


AndroidBlog will not be held responsible for any damage occurred to your Asus ZenFone 3 Deluxe models ZS550KL during or after the installation process. Proceed at your risk.


  • Make a proper backup of all the existing data and settings of your ZenFone 3 Deluxe. In case anything goes wrong then you’ll be able to restore your data back.
  • Verify that you’ve correctly installed the ZenFone 3 Deluxe ZS550KL USB Drivers on the PC.
  • Enable USB Debugging Mode on your ZenFone 3 Deluxe 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 3  Deluxe. It should be charged at least about 80% before proceeding to the installation guide.


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Steps to Install Asus Zenfone 3 Deluxe Android Oreo update:

1: First, setup ADB and Fastboot on your PC.

2: Download the Official Android 8.0 Oreo firmware file on the desktop of your PC from the above-given link. Rename it to ota.zip

3: Connect your ZenFone 3 Deluxe with your PC/laptop using its USB data cable.

4: Open the folder where you have placed the downloaded OTA.zip file and also open command windows within the folder.

5: Type the following command and hit Enter to reboot your phone into Recovery Mode.

adb reboot recovery

6: Select the “Install from USB” option in Recovery Mode.

7: Type the following command and hit Enter.

adb sideload ota.zip

8: Finally, the installation process will be initiated, so wait for the installation to be completed.

Done! You have successfully installed Asus Zenfone 3 Deluxe Android Oreo update.

Bhatti Junaid

He continuously writes tech articles and development code. Also, appreciates excellent food, exceptional coffee and great company. He has written 266 guides and other posts.

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