ASUS ZenFone 3 Max has now started receiving the Android Nougat update. Arriving in with software build number 14.0200.1704.119 the update bumps the OS to version 7.1.1 Nougat.
The device with model number ZS550KL is currently getting the update, the units with model number ZC553KL is intended for the update. This could be a typographical mistake also.
Aside from software bump what other changes (if any) the update has brought is still unknown.
If the update hasn't popped up on your device don't get panic ASUS claims that the update will take about one week to reach every unit. You can also check for the update manually by heading over to the Setting's menu of your device.