Asus Zenfone 6 ZS630KL Firmware Flash File | WW-18.0610.2106.156

Asus has introduced its new flagship smartphone called Asus ZenFone 6. The handset features Qualcomm’s latest flagship Snapdragon 855 SoC, a motorized 180° flip-up camera module for both sides. The handset is about to launch very soon in India as well. As the device runs on Stock Android 9 Pie out-of-the-box, in the first couple of months, you will love this UI. Later, you may get bored of it and if you want to install any Custom ROM or enable root access on this device, you can do this via bootloader unlocking and TWRP Recovery. If in case, you don’t find the Custom ROM very surprising or useful, you can always go back to the Stock ROM as well. Here in this article, we will share with you the list of Asus Zenfone 6 ZS630KL firmware files. It will be useful to you.

Even in case if you’re experiencing any lag or software issue on your Custom ROM, the Stock Firmware is always better to restore on your device. As we all know, Google has announced Android Pie last year with a lot of features and optimizations. As the Zenfone 6 (ZS630KL) runs on pure stock Android, it will definitely run quite smoother and better than any other Custom ROM. Pure Stock Android ROM offers you bloatware-free UI and due to the higher processor and RAM, it will perform well as expected.

Asus Zenfone 6 Specifications and Features

The device sports a NanoEdge 6.4-inch display with a 92% screen-to-body ratio. It supports HDR10 as well without any notch or camera hole. One of the key features of this phone is its motorized 180° flip-up camera module, which packs a primary 48MP Sony IMX586 RGB sensor and a 13MP secondary 125° ultra-wide sensor. The camera setup can be used for rear and selfie pictures and videos as well. Additionally, the camera supports new HDR+ Enhanced mode, Super Night, and Auto Panorama modes as well.

Asus Zenfone 6 Stock Firmware Collections [Back to Stock ROM/Restore]

The Asus ZenFone 6 is powered by Snapdragon 855 SoC coupled with Adreno 640 GPU, 8GB RAM and 256GB of UFS 2.1 NAND flash storage (can be expandable with microSD). It packs a huge 5,000 mAh battery. Asus has also featured the OptiFlex technology, which can accelerate app launches and reloads time by keeping them in RAM. Asus also mentioned that the device will save power in idle mode as well. The handset supports 4G LTE, 802.11ac Wi-Fi, Bluetooth 5.0, NFC, Wi-Fi Direct, USB Type-C port, GPS, A-GPS, GLONASS, Galileo, etc. It has a rear-mounted fingerprint sensor as well which unlocks quite faster (0.3 sec).

The ZenFone 6 (ZS630KL) 8 GB/256 GB of NAND variant will be available later this year for $560 in the U.S.A.

Advantages of Stock Firmware

  • Flash Stock To Unbrick your ZenFone 6
  • Flash Stock ROM to Fix the bootloop problem
  • Upgrade and Downgrade Asus ZenFone 6
  • Unroot or Fix Bugs on your phone
  • To fix the lag or stutter on ZenFone 6
  • By flashing Stock ROM, you can solve software problems.
  • Revert back to stock to gain your warranty.

List of Asus ZenFone 6 ZS630KL Stock Firmware Collections:


Download ROM

1. Updated Android security patch
2. Supported SMS type QR code
3. Added the one-hand mode

Download ROM

1. Updated Android security patch
2. Updated APN version
3. Fixed the problem that the status bar cannot slide out when playing videos or games on full screen
WW-17.1810.2008.171 Updated Android security patch to August 2020

Download ROM

  1. Updated Android security patch (2020/7/1)
  2. Enabled VoLTE/Vowifi on Telia (Sweden, Norway and Finland)
  3. Improved the stability of connected Bluetooth headsets
  4. Optimized system stability

Download ROM

ZS630KL software Image:WW_17.1810.2003.145 for WW/EU/JP only* Exclude IN/RU

  1. Improved the WiFi connection stability

Download ROM

ZS630KL software Image:WW_16.1220.1908.189 for WW/EU/JP only* Exclude IN/RU

  1. Video call tuning parameters updated
  2. Supported more 18 settings in smart key
  3. Updated audio parameter & quality Improved.
  4. General system & app stability improved.
  5. Optimized Translation Strings
  6. 2019 Jul. & Aug. security patch level updated
  7. GMS_9_0_201906_r1 updated
  8. Preload new Rajiko & HybridRadio APK for JP
  9. Preload new Netflix APK for BR
  10. Supported Twin Apps(parts of games)

Download ROM

ZS630KL software Image:WW_16.1220.1906.174 for WW/EU/IN/JP/RU only*

1. Fix vibrator haptic setting issue
2. Fix GameGenie abnormal network traffics issue


Download ROM

ZS630KL software Image:WW_16.1210.1906.156 for WW only*

1. Enable “Super Night mode” on Ultra-wide camera
2. Get weather displayed on the lock screen
3. Optimize translation strings in Setting
4. Improve system stability.
5. Improve camera rotation stability
6. Optimize UI Animation
7. Optimize the headphone sound quality


Download ROM

ZS630KL software Image:WW_16.1210.1904.133 for WW only*

1. Enable “Super Night mode” on Ultra-wide camera
2. Get weather displayed on the lock screen
3. Optimize translation strings in Setting
4. Improve system stability.
5. Improve camera rotation stability
6. Optimize UI Animation
7. Optimize the headphone sound quality

Steps to Install Asus ZenFone 6 Stock Firmware:

Before installing, make sure to check out the download links and the pre-requirements carefully.


  • This guide and Stock Firmware files are only supported for the Asus ZenFone 6 device.
  • Keep your device battery charged at least 50% or above.
  • You need a PC or Laptop and a USB cable for your device.
  • Take a device backup at first before doing anything on your device. Otherwise, you may lose all of your device data.
  • Install the Latest Asus USB Drivers on your PC.
  • For the second method, you have to download ADB Fastboot drivers.


We are at GetDroidTips won’t be responsible if anything goes wrong during or after following the process. Do it at your own risk!

Method 1 – Install via Recovery:

  1. Download the zip file from the above link and rename the file to and move to device internal storage (/downloads folder).
  2. Now, Switch Off your device and reboot into recovery mode by pressing Power button +Volume UP button together for a few seconds.
  3. After booting into recovery mode, select apply update from sd card.
  4. Now, choose the file which you have downloaded earlier.
  5. Wait until the installation process completes.
  6. Once the installation process is completed, you can reboot your ZenFone 6.
  7. Done. you have upgraded your smartphone.

Method 2 – Install via ADB Sideload:

  • First, you need to download the ADB and Fastboot tool for Windows and Mac and extract it on your PC.
  • Now, move the downloaded OTA zip file to installed ADB Folder.
  • You need to enable USB Debugging on your handset.
  • Go to your PC/Laptop and open the extracted ADB Folder and open Command Prompt by pressing Shift Key + Right Mouse Click.
  • Now, reboot your phone to recovery mode by pressing the Volume UP + Power button together for a few seconds.
  • Connect your mobile to the PC via a USB Cable.
  • Now, enter the following command in the command prompt and hit enter:
adb devices
  • This command will show if any fastboot device is connected. If it doesn’t show, then please check the drivers are installed properly and try again.
  • If your device is listed, then type the command given below and press enter:
adb sideload
  • Wait until the installation process completes.
  • Once the installation process is complete, restart your device.
  • Done. You have successfully upgraded the Asus ZenFone 6.

We hope that you have successfully installed the Stock ROM on your Asus ZenFone 6 device. Feel free to comment down below about your queries or thoughts.

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.