Downgrade .82 to .63 version

[vikrantkarande5]

Please tell us some basic information before asking for help:
Model Name:Asus Max Pro M1
Firmware Version:082
Rooted or not:not
Frequency of Occurrence:always
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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How can I downgrade my Asus Max Pro M1 device from latest 0.82 version to previous 0.63 version of android 9?
Because of newer version, device is heating too much... and also battery is draining so fast..

[victor010]

Hi there, you may click on the following link to download update manually, request you to read the instructions before upgrading and take a full backup of the device before. Click here: https://www.asus.com/in/Phone/ZenFone-Max-Pro-M1-ZB601KL/HelpDesk_BIOS/
Hi, kindly click on the following link and follow the instructions to update manually. Click here: https://www.asus.com/support/faq/1009748