Asus ZenFone 4 Max ZC554KL variant received Android 8.1 Oreo update. The update carries the build number 15.2016.1809.411/12 and updates the device to Asus’s ZenUI 5.0. A similar Oreo 8.1 update has also been available for ZenFone 4 Selfie and ZenFone 4 Selfie Lite. Read on to know how to install ZenUI 5.0 update on ZenFone 4 Max.
The Android 8.1 Oreo based ZenUI 5.0 OTA update starts rolling out with build number 15.2016.1809.412 for ZenFone 4 Max (ASUS_X00ID). Since the firmware OTA update roll out is incremental, it will take few hours or few days or even weeks to reach the notification on all devices.
If you did not receive the Android 8.1 Oreo OTA update for build number 15.2016.1809.412, check it manually by going to Settings -> About – > System Update. Alternatively, you can download the full update file (1.83 GB) and install manually.
Note that the update currently available for global variant ZenFone 4 Max ZC554KL (WW SKU only). Check your SKU version before downloading the firmware. In addition, once you upgraded to this version, you cannot downgrade to an older version.
Manual Installation Guide:
Step 1:
Download latest firmware update zip file for ZenFone 4 Max ZC554KL from here.
Step 2:
Double click the downloaded firmware zip file to see another zip file it. If another zip file found inside it, unzip the downloaded firmware zip file
Step 3:
Connect the phone to your PC, move the update zip file to the root directory of your phone’s internal storage and then disconnect the phone from PC. You will see firmware update notification popped up on status bar. Select it and follow steps to update firmware.
After completing the installation, your phone will reboot into the new version.
