Download WW- Fota Upgrade for ZenFone 3 Laser (ZC551KL)

Today Asus started rolling a new firmware update for ZenFone 3 Laser with model no ZC551KL. The update bumps the software version to WW- and brings the latest Google Security Patch update and improved the UI stability. The update is still running on Android 7.1.1 Nougat.

The update is currently rolling via OTA for a user with Asus ZenFone 3 Laser (ZC551KL). If you have not received this update with build number WW-, then you can manually grab the OTA download by following this guide on How to force download latest OTA updates on your Android device. To check for the OTA update,

Settings –> About –> System update and tap on Check update.

If you still not received the OTA update, then you can manually flash the build number WW- on Asus ZenFone 3 Laser. Here is the complete guide on how to upgrade your device to a new software version.

Download WW- Fota Upgrade for ZenFone 3 Laser (ZC551KL)

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What’s New on WW-

1. Google security patch updated.
2. Improved UI operation stability.


Download Firmware File

Download Full Firmware Zip File

Steps to Upgrade your Asus ZenFone 3 Laser Manually

Either you can use the upgrade by recovery method or the ADB sideload method. We will discuss both in brief and learn the process step-by-step.


Before proceeding you have to follow a few points and grab some tools you will need while you follow either of the flashing methods.


GetDroidTips will not be responsible for any bricking or damage to your device while/after installing this update. You are performing the update at your own risk.

Method 1: Upgrade via Recovery:

  • Download the firmware V32.40.106.93 from above download section and move it to your device storage.
  • Now we need to enter the device into the recovery mode.
  • To do so, Switch off your phone > Hold and Long press Power button + Volume Up 
  • Now in the recovery menu, select the option Apply update from sd card.
  • Now Choose OTA firmware file which you downloaded.
  • Wait for sometime as the installation process completes.
  • Now reboot your phone to complete the process. That’s it.

Method 2: Upgrade via ADB Sideload:

If you are running Custom ROM and want to install this firmware, then you can simply upgrade your device by following this method. Follow the link to know the step-by-step process.

How to Sideload ROMs and Mods Using ADB Sideload


I hope this guide was useful to upgrade your device to version WW-

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