Asus starts rolling out ZenUI 4.0 update (Asus latest Android skin) for ZenFone 3 series devices. The update is now available for ZenFone 3 Zoom (ZE553KL) variant and comes with build number ZE553KL_ WW_ V23.40.97.58. Users will get the OTA (over the air) update on their device in the coming days. Note that since OTA update rolled out in phases, it will take a week or more to complete.

ZenUI 4.0 is Asus new Android skin, which was first introduced with Asus ZenFone 4 series devices. As promised earlier, Asus now starts rolling out ZenUI 4.0 update for ZenFone 3 series devices, starting with ZenFone 3 Zoom. Note that the update (v23.40.97.58) is not Android 8.0 Oreo update. It is still based on Android 7.1 Nougat and includes improved SystemUI stability.


ZenFone 3 Zoom Starts Getting ZenUI 4.0 Update

For your information, the new ZenUI 4.0 is said to be lighter, cleaner, and smarter than the previous skin. It offers various new features like App Twin, SOS app, refreshing style and more. Also, the update strips off many system apps to make ZenUI version 4.0 much cleaner.

Changelog of ZenFone 3 Zoom v23.40.97.58 update:

Upgrade system user interface to ZenUI 4.0
Improved SystemUI stability

Also Read: Download ZenUI 4.0 Safegaurd app from Play store

If you did not receive the ZenUI 4.0 (Android 7.1) OTA update on your ZenFone 3 Zoom (ZE553KL) yet, you can manually check the update by going go to Settings > About > System Update > and check for update.

If the update is available, follow the instructions to install the Android 7.1 Nougat update on Zenfone 3 Zoom.

How to Install ZenUI 4.0 Update on Zenfone 3 Zoom

1. Make sure at least 2.5 GB free space on the internal storage.

2. Once update is available, tap on the notification to download the update.

3. Once download is completed, a pop-up to install the update will appear. Tap Install to continue.

4. The device will reboot twice during the installation of the update. Please do not turn off the device until the home screen appears.

Update: You can download the ZenUI 4.0 OTA update [HERE] and install it manually. For manual installation, follow this guide. (Source)

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Kannan is a computer and Android enthusiast, a blogger by passion and a tech freak. His always ready-to-help attitude, knowledge and hard work is what drives him.