How to Downgrade Zenfone Max Pro M2 from Pie to Oreo

Asus Zenfone Max Pro M2 has been update for Pie OS, but many user didnt satisfied with the performance and try to downgrade back to Oreo. Today i try to make some tutorial How to Downgrade Zenfone Max Pro M2 from Pie to Oreo.  Pie on Zenfone Max Pro M2 on some user have minor bug like brightness even you set full screen  still not bright enough.  Also battery life is better when Oreo, thats why some user try to figure out how to downgrade Max Pro M2 from Pie to Oreo.

Before we start How to Downgrade Zenfone Max Pro M2 from Pie to Oreo, i need to make sure you are understand the risk.

I didnt responsible for any broken phone ( brick, bootloop etc) 

DO THIS WITH YOUR OWN RISK
And this will erase all your data, make sure you back up everything before start. 

Read from top to finish, dont jump any
Read again
Read one more time 
Try to imagine the process after you read 
If you has been understand the process, Pray and Execute
If some thing mess, try to found which part you are missed


Thing need to prepared before you start :

First:  
Download first latest OS Oreo for Zenfone Max Pro M2, in this case i am using
WW__ZB631KL_15.2016.1810.158_20181120_Phone-user.raw

You can download directly from ASUS Web or from my GDrive Folder .
Once you finish download, put on drive C and extract the file.

Second : 
Make sure adb fastboot has been installed on your pc / laptop.
If you has been done install adb fastboot, try to check if your device has been detected.

open ADB , then type adb devices

if result as below, activated your dev option and turn on USB debuging
(open setting -- about phone -- software information -- press build number 7 times)

try again until shown as below picture.

Third :

Put your phone on FASTBOOT MODE.
restart your phone -- press vol up and power together.

ok now let start Downgrade Zenfone Max Pro M2 from Pie to Oreo.

This is my ZenFone Max Pro M2 latest OS

Now lets start
Connect your phone and make sure its detect
open FW folder as mention on first step, found file named FLASHALL.AFT

Double click and wait the process. Make sure you have internet connection.

Once finish, your device will be restart.
check your OS and you are done.

This tutorial How to Downgrade Zenfone Max Pro M2 from Pie to Oreo.

I try to make tutorial in video, but because i am not a good youtuber sorry for bad quality, at least you can understand the process.


Good luck