How to Upgrade Lollipop to Marshmallow in Zenfone 2 (ZE550ML,ZE551ML).

Hello Guys, Today We are Going to Upgrade Our Zenfone 2 to Android M (Android 6).! Before You should know a few things about this.

1, You Should Backup Your Files to Micro SD or Somewhere Else.
2, You Must Have Minimum 40% Battery Charge for Safety.
3, Don’t Rename the Firmware File.
4, Don’t Use Beta Firmware From Unknown Sites. Use Only Official Stable Firmware.! I mentioned it Below.


Es File Manager (Optional).
Your Mobile Model’s Android M Firmware.!

Firmware Links :-
ASUS ZenFone 2 = ZE550ML (Z008B/Z008C/Z008D) –
ASUS ZenFone 2 = ZE551ML(Z00AD/Z00ADA/Z00ADB/Z00ADC) –

If This Method Doesn’t Work for You Then Check This Video –

If This Helps You, Please Share This Post with Your Friends and Share Your Thoughts.

3 thoughts on “How to Upgrade Lollipop to Marshmallow in Zenfone 2 (ZE550ML,ZE551ML).

  • December 9, 2017 at 6:14 am

    hi..i have a doubt..if am at old ver of lol such now i want to update to lat ver such marshmallow by flashing droidboot,recovery,sideload zip from the same file it will work or not.. pls reply soon…..


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