Asus starts rolling out the Android Oreo OTA update (WW_V80.20.179.40) for Zenfone 3 Zoom (ZE553KL) and as it is rolled out in phases it will take a week or more to complete. If you cannot wait for the OTA update, you can download and install the ZenFone 3 Zoom ZE553KL_ WW_V80.20.179.40 update manually.

Highlights of Zenfone 3 Zoom ZE553KL_ WW_V80.20.179.40 update (release date – 2018, May 17)

Update to Android 8.0 Oreo New Launcher feature (Swipe up gesture instead of All apps menu) Removes third-party apps, such as Minimove, photocollege, and do it later

If you haven’t received the OTA notification for the Oreo update, you can force the update by going to phone Settings > About > System updates > Check Update and download the OS manually. Also Check: Asus Releases Oreo Update for ZenFone 3 Deluxe ZS570KL If you prefer manual installation, then you may follow below guide. Your device should be on latest firmware version (WW_V71.60.139.30). However, we do not recommend this method for inexperienced users.

Manual Installation

Note: You should download correct firmware build for your SKU. Check the SKU via Settings > About > software information > Build number and see the software version for WW, CN, JP, etc.

  1. Download Zenfone 3 Zoom ZE553KL_ WW_V80.20.179.40 update file from here
  2. Transfer the firmware zip file to the root directory of your phone’s internal storage.
  3. Disconnect your phone from PC. You will see firmware update notification popped up on status bar.
  4. Select it and follow steps to update firmware. After completing the installation, your ZenFone 3 Zoom will reboot into the Android 8.0 Oreo. (Source)