Asus Extender Firmware Update :
Step1: Connect your computer with Asus extender using an ethernet cable.
Step2: Download latest firmware file from Asus download center, select your operating system, extract the file in case of Windows operating system, run .exe Asus device discovery file, select IP address for your Asus extender, then upgrade firmware file. In case of mac os, you can download Asus device discovery application from the app store, in case of Android devices, you can download Asus device discovery app from google app store. You can access Asus extender login webpage using default web address http://repeater.asus.com, click on management option>> firmware upgrade option.