Asus ZenFone 4 Pro (ZS551KL) has got new software update, which bumps the build number to 14.2610.1711.35.  The update improves camera performance, battery life, brings VoLTE features and more. Asus starts rolling out the OTA (over the air) update and since the update is rolling out in phases, it will take a week or more to get the OTA notification on your ZenFone 4 Pro. Tech-savvy users can download and install 14.2610.1711.35 update manually as described below.

The new update (14.2610.1711.35) is still based on Android Nougat and the Android Oreo update for ZenFone 4 Pro is expected to release later this month. Besides performance and stability improvements, the update also enables VoLTE and VoWiFi for the CHT (Taiwan) and VoLTE for Softbank networks.




The new update also includes general bug fixes, improves compatibility of Bluetooth and supports Google Assistant in sleep mode. If you have not received the OTA notification for the update, check it from Settings > About > System Update > and check for update manually.

Tech-savvy users can install the update manually by downloading the update file (build 14.2610.1711.35). For example, if you are out of Wi-Fi network area, you may want to install the update manually.

Note: If you prefer manual installation and before proceeding with below steps, back up every data you have on the phone. Also, make sure at least 3GB free space remaining on the SD card.

Keep in mind that you should download correct firmware build for your SKU. Check the SKU by going to Settings > About > software information > Build number and see the software version for WW, CN, JP, etc.

Also Read: Update ZenFone 4 Max to new ZenUI 4.0 version (14.2016.1711.215)

Download and Install 14.2610.1711.35 Update on Asus Zenfone 4 Pro ZS551KL

Disclaimer: Follow the instruction at your own risk. We will not be liable if any damage occurs to your device and/or its components.

1. Download 14.2610.1711.35 update zip file for ZenFone 4 Pro from here [download WW version]

2. Rename the downloaded firmware file to ‘’ and save it on your phone.

3. Boot your phone into recovery mode (Switch off the phone and turn on by pressing Power + Volume Up buttons together).

4. In recovery, choose Apply update from sd card and then select the file.

5. After completing the installation, reboot your phone. (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.