Download and extract the Asus Zenfone 4 Max ZC520KL stock firmware package on the computer. After extracting the package, you will be able to get the Firmware File, Flash Tool, Driver, and How-to Flash Guide. Install the provided USB Driver on the computer (if the USB Driver is already installed, then SKIP this step). Asus ZenFone 4 Max WW-15.2016.1901.506 software update with ZenUI 5.0 has been rolled out by the company in some region.The Update is only for the device with model number ZC520KL.. Asus is officially rolling out Oreo firmware update via FOTA. Here, we are providing a direct link to download Asus ZenFone 4 Max Oreo firmware update having version number WW-15.2016.1901.506. step for flashing asus Zenfone 4 max:- installing minimal adb fastboot - installing adb usb driver- fastboot mode ( hold volume up + power ) then connect usb HOW TO FLASH: Reboot device to Fastboot mode (press Vol Up + Power), then download and extra firmware. Final, run flashall_AFT.bat in the folder. Waiting and done 😀. Don't miss! >>> (Collection) stock RAW firmware for Asus Zenfone, Zenpad, etc. asus zenfone 4 max. asus zenfone zc520kl. raw asus zenfone zc520kl. The firmware only works on the ZenFone 4 Max, don't try it on any other phone. How to Install Asus ZenFone 4 Max Android Pie Update. At first, Download the firmware file from the above download link. Now Rename the file to "WW-16.0200.1903.25" Connect your smartphone to your PC via USB. Extract firmware Asus Zenfone 4 Max Pro ZC554KL yang kalian download tadi, dengan cara klik kanan lalu pilih extract here (password: evilicacelldotcom) dan tunggu sampai proses extract selesai. Download Adb-Setup 1.4.3 (berfungsi sebagai driver) download dengan cara seperti tadi, lalu install file format .exe seperti biasa hingga selesai. Solved: Why there is no link for 438 update on official site for max pro m1, while For max pro m2 there is link on official site - 330021 Prajith November 18, 2018. The Asus ZenFone 4 Max is receiving a minor OTA update with optimized camera performance and updated translation for Brazilian Portuguese (BR) language. The update comes with software version 14.2016.1708.158 and is available for the ZC554KL variant of the device. 3UgZ.