Return the option to disable Android 9 auto brightness for Zenfone Max Shot (ZB634KL)

[Matheus]

Please tell us some basic information before asking for help:
Model Name: Max Shot (ZB634KL)
Firmware Version: WW-16.14.2002.291
Rooted or not: No
Frequency of Occurrence: Ever
APP Name & APP Version (If your issue relates to the app): auto brightness function
In the second update from Android 9 to Max Shot, the feature to disable automatic brightness was removed.This feature is essential to decrease battery consumption, please return this app in the next update.