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Lollipop Update for Zenfone 450 WW.

Hi Friends. Lollipop Is Released for Zenfone 4.5 From 28 Of this Month. Its not a OTA update , Its a offline update so You have to Download Files and manually upgrade.

Attention::: For installing Update to lollipop  Your Phone must Latest update of Kitkat.

Download Links:

Upgrade too lollipop Version WW_5.3.3 (Android L)

DescriptionASUS ZenFone 4(A450CG) software Image: V5.3.3 (Android L) for WW SKU only*
Note1. Please unzip the file first then put the file to the device root directory

* Please note that Android 5.0 Lollipop does not support some pre-installed apps. The listed apps below will be removed once the Android 5.0 Lollipop upgrade is complete.

1. Battery widget
2. Google Text-To-Speech
3. Movie Studio

* Please notice that below new apps will be added in this system upgrade.
1. TripAdvisor
2. Gameloft
3. CleanMaster
4. ASUS Auto-start Service Manager:
Prevent unwanted apps from automatically starting up and using RAM
Stop services immediately and prevent Android from restarting these apps again

* Please notice that some feature changes in this system upgrade.
1. Lockscreen: remove standalone wallpaper & weather info
2. Dialer/Contacts: reduce tab count from 5 to 3; remove group tab name/photo
3. InCall screen: remove inCall animation & cover
4. Quick settings/Recent app layout change

For more information please refer to:

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.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading.
File Size793.98 MBytesupdate 2015/05/28
Download fromGlobal
If in case You Downt SatisfiedWith lollipop upgrade You can Downgrade Phone BAck to Kitkat.

To downgrade From Lollipop to kitkat . Download the Firmware Below . It will downgrade To latest kitkat

Version WW_4.5.1 

DescriptionASUS ZenFone 4(A450CG) downgrade SOP (Downgrade from L to KK),
Only for WW SKU*
1. Only apply to same SKU update, Example: WW->WW, CN->CN, TW-
2. Software update cannot transfer the software SKU and
downgrade the software version.
3. Downgrade image will only revert back to latest KK version
4. After OTA downgrade, device will perform factory reset
automatically.then reboot automatically to complete upgrade
5. System upgrade may cause part of data missing, please buckup
your important data before system upgrade

Downgrade Step (From L to KK)
1. Download the downgrade tool and unzip: ""
2. Using MTP connecting A450CG with PC. (Enable MTP: Setting--
>Storage-->press the USB icon on right corner--> Enable MTP)
3. Copy the tool (V9.9.10.0) to the A450CG internal storage.
4. Remove the USB cable, the device will pops up the system
upgrade information.
5. After downgraded, device will auto reboot and perform factory
6. After finished, please go to Settings->About-> software
information->Build number. The version should be V4.5.1
File Size878.55 MBytesupdate 2015/05/28
Download fromGlobal
Enjoye Lollipop

5.0.1 lolippop Comming Soon ... :D


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