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Download ZenFone 2 (ZE551ML) official Firmware

Name: ZenFone 2 (ZE551ML)
Model: ZE551ML
Version: WW-2.20.40.196
Size: 1.16 GBytes
Downloads: 1404

Change Log:


Improvement Item:

1Update security patch
2Update ASUSZenUIServices
3Remove 3rd party app (WW: Clean Master, CM Security,  TW: EZ訂
4Slove multiple region calling problem

For more information please refer to:
TW:http://www.asus.com/zentalk/tw/ReleaseNotes
WW:http://www.asus.com/zentalk/ReleaseNotes
CN:http://zentalk.asus.com.cn/ReleaseNotes

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, .
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 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.

Notic: Please keep in mind that, you must flash - firmware at your own risk and also full responsible with you.


Please be informed that Asus-firmware.com only share the official firmware WITHOUT ANY modifications. All Roms here are for home or personal use only.