Asus Zenfone 6 Firmware Update V2.21.40.29

Zenfone 6 Firmware Update V2.21.40.29 – ASUS has updated the firmware for Zenfone 6 (A600CG) with software Image: V2.21.40.29 (Android 4.4). In this firmware update there is an Enhanced GPS performance, Fixed SD card related issue caused by third party apps, Improved thedevice compatibility with Bluetooth selfie remote controller, and much more.

If you want to update the firmware on Zenfone 6, but you still have not got the Zenfone OTA updates you do not need to worry, because at this time Asus Zenfone Blog will share a link to download the Firmware Update V2.21.40.29 for Zenfone 6 (T00G).

Improved Feature On Zenfone 5 Firmware Update V2.21.40.29

Release Note

  1. Enhanced GPS performance.
  2. Fixed SD card related issue caused by third party apps.
  3. Improved the device compatibility with Bluetooth selfie remote controller.

Key New  functions

1. Gallery

  • Operation sequence changed for MicroFilm: MicroFilm has been isolated from Gallery and acts as a new standalone mobile app called ASUS MicroFilm, it still can be launched directly from Gallery.  You can select the photos from Gallery and send them to MicroFilm App via tapping the MicroFilm  button or Auto MicroFilm to make exciting videos !
  • Add three new Crop ratio sizes: 3:2, 2:3, and 16:9.

2. ASUS MicroFilm

  • The brand new ASUS MicroFilm app allows you to make stunning slideshow videos in just 3 steps; promptly make your memories go round. 3 steps:
    • Select your favorite photos
    • Apply a pro-designed  movie theme
    • Share it on the social clouds

3. PhotoFrame widget

  • Add four brand new photo frames, including thin photo frame with white color, frameless, normal glass photo frame and thin glass photo frame.

4. Camera

  • Add more options to support camera shutter control, including Bluetooth remote controllers or Bluetooth earphones.

5. ASUS Backup

  • Easily back up or restore ASUS ZenUI Apps in ZenFone and other ASUS mobile devices
  • Save/restore call logs and personal settings, ie. weather location, alarms, browser preferences, etc.
  • Save or restore data of your favorite Apps.

6. Settings

  • Add “ASUS ZenUI APP Updates” interface in Setting for user to update AUSU ZenUI apps easier and faster.
  • Enhance the power management interface in Setting.

7. Browser

  • Supported auto hiding title bar for those devices with screen size smaller than or equal to 6 inches.
  • Added menu item “Close other tabs” for quickly closing unused tabs.
  • Improved Traditional Chinese (Hong Kong) translations.
  • Improve browser stability.

8. Calculator

  • Add percentage (%) calculation in simple calculation mode and advanced engineering mode.
  • Add Clear function in simple calculation mode and advanced engineering mode.
  • Add 00 button in advanced engineering mode.
  • Re-layout simple calculation mode and advanced engineering mode.

9. Quick Setting

  • Add screenshot tool in Quick settings.

10. Lockscreen

  • Add “Skip Slide Lock” option when turning on the security lock


Steps of Update:

  1. Check software version of your device**
  2. Download device software and Update SOP (From “Manual” Item)
  3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
  4. Software update cannot transfer the software SKU and downgrade the software version.
  5. Wrong SKU may cause update failure, please update the same SKU version only.

How to update the firmware on Asus Zenfone 6

  • How to OTA update on Asus Zenfone 6 ?
    Path: Settings->About->System Updatete->Check for Update
  • How to update via ADB sideload ?
    Tutorial Here
  • How to update Manual ?
    Tutorial Here

Asus Zenfone 6 Firmware Update V2.21.40.29

Firmware Version WW_ 2.21.40.29

File Size
731.38 MBytes                                          update 2014/12/08
Download from

Firmware Version TW_ 2.21.40.29

File Size
770.14 MBytes                                          update 2014/12/24
Download from

Firmware Version CN_ 2.21.40.29

File Size
660.08 MBytes                                          update 2014/12/24
Download from
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