Recently, Asus has launched the Android Pie beta test program for Zenfone 4 Max, and today a new OS
What is known
The update came out immediately for two smartphone models: ZB553KL and ZD553KL. As with the Zenfone 4 Max, the firmware for the Zenfone 4 Selfie is also based on the AOSP (Android Open Source Project). In fact, this is a “pure” Android without a proprietary ZenUI shell.
The beta version of the software contains all the main features of the “cake”, including a modified interface, the Adaptive Battery and Adaptive Brightness functions.
If you suddenly forgot
Recall the smartphone has 5.5-inch Full HD display, Snapdragon 430/625 processor (depending on model), 13 megapixel main camera, 13 megapixel front camera with flash, 2/3/4 GB RAM, / 16/32/64 GB ROM, and a battery on 3000 mAh The device originally worked on Android 7.0 Nougat, but then it was updated to version 8.1 Oreo.
Source: Asus (1, 2)