Download WW-15.0405.1803.99 April 2018 Security for Asus ZenFone 4

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Asus started rolling the April 2018 Security patch for Asus ZenFone 4 which fixes the security vulnerabilities found recently. The supported variant model in this device segment is ZE554KL. The update brings the software version to WW-15.0405.1803.99. Now you can download and update ZenFone 4 with software version v15.0405.1803.99.

This update is still based on Android 8.0 Oreo. Along with April 2018 Security patch, this update improves the Camera App stability, upgraded GMS and also fixed the Wi-Fi roaming problem.

Download WW-15.0405.1803.99 April 2018 Security for Asus ZenFone 4

The update is rolling via OTA (Over the air) for users around the globe. It is sent in a phase-wise manner and it may take a couple of days to reach around the globe. If you have received the latest update then hit the DOWNLOAD button to start upgrading your ZenFone 4 to WW-15.0405.1803.99. If you still not received the update, then follow the below instructions to manually upgrade your phone to the latest version.

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How to check OTA Update on ZenFone 4 manually?

Please go to 「Settings」–> 「About」–>「System update」and press「Check update」 to make sure if the firmware is the latest version. If you have the update, then before hitting the download button, make sure to read the below instructions.

[su_note note_color=”#fffde3″]If you have the OTA update, take a full backup of your phone before proceeding to download. Alos make sure you have enough storage and battery backup with at least 50% battery. We suggest you to choose a Wi-Fi or a 4G connection to download it. After following the procedure mentioned above, you can now start downloading the latest update on ZenFone 4 (ZE554KL). As this update is an incremental update, it wouldn’t take a lot of time to download and install.[/su_note]

In case if you still not received any new update, then check our article on How to force download latest OTA updates on your Android device

Steps to Install WW-15.0405.1803.99 FOTA Update for ZenFone 4 (ZE554KL)

If you have not received the update, then don’t worry. In this guide will help you to install WW-15.0405.1803.99 FOTA Update on ZenFone 4. We have given the full instructions and download link to upgrade your phone to the latest version.

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[su_note note_color=”#fffdc4″ text_color=”#000000″]

Latest Changelog:

1. Fix Wi-Fi roaming problem
2. Google security patch update
3. GMS upgrade
4. Improve Camera App stability

[/su_note]

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Required Firmware File

Download Firmware Here

Pre-Requisites:

  1. Back up your phone before following the below guide. (For a Rooted device, Check this guide.)
  2. Download the latest Asus USB Drivers for your PC
  3. GetDroidTips.com is not responsible for any damage to your phone while installing this Update. Please do it at your own risk.
  4. For 2nd Method Download the ADB and Fastboot tools.
  5.  This Firmware WW-15.0405.1803.99 is supported only on ZenFone 4 (ZE554KL).

[su_note note_color=”#fffde3″]Note: Make sure you have followed the steps properly. Don’t Skip and Read! – We are not responsible for any damage that you make to your phone.[/su_note]

Method 1 – Install via Recovery : 

  1. First of all Download the zip file from above link and rename the file to update.zip.
  2. Now Switch Off your device and reboot into recovery mode by pressing Power button +Volume UP button.
  3. In recovery mode select apply update from sd card.
  4. Now Choose update.zip file which you downloaded.
  5. Wait until installation process completes.
  6. Once the installation process is completed and You can Reboot your ZenFone 4.
  7. That’s it, fellas! Done. you have upgraded your smartphone.

Method 2: Install via ADB Sideload

  1. First of all Download the ADB and Fastboot drivers for Windows and Mac and extract it
  2. Now move the downloaded OTA zip file to ADB Folder
  3. Enable USB Debugging
  4. To Enable USB Debugging, First of all, You need to activate Developer Option on your smartphone.
  5. To activate, Go to your Settings -> About Phone -> Now Tap on the Build Number 7-8 Times until you see a toast message “Developer option enabled”.Root And Install Official TWRP Recovery For
  6. Once your developer option is active, Go back to your settings -> Open developer option -> Enable USB Debugging. 
  7. In your PC/Laptop, Open the extracted ADB Folder and Open Command Window by pressing Shift Key + Right Mouse Click.Root And Install Official TWRP Recovery For
  8. Reboot your phone to recovery by pressing Volume UP + Power button.
  9. Now connect the PC to Mobile with USB Cable.
  10. Now enter the following command in the command window that you open
    adb devices
  11. This command will show if any device is connected properly. If it doesn’t show, then please check the drivers are installed properly or if the attached cable is damaged.
  12. If your device is listed, then please type the below command in your command window.
    adb sideload File_name.zip
  13. Wait until installation process completes.
  14. Once the installation process is completed and You can Reboot your ZenFone 4.
  15. That’s it, fellas! Done. you have upgraded the Asus ZenFone 4.

You have successfully upgraded your phone to the latest version of ZenFone 4 (WW-15.0405.1803.99) which is based on latest ZenUI 4.0OS. If you have any questions or doubts or even feedbacks. Please comment below.

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