Please tell us some basic information before asking for help:
Firmware Version: WW_ 16.02.1905.435
Rooted or not: No
Frequency of Occurrence:1.5GHz
APP Name & APP Version (If your issue relates to the app):
Zenfone Max Plus M1, Android 9.0 stable update will not come ? You promised Android 9.0, but there is still no update.