This gives a hacker to potentially keep track of your devices (and thus, you). Anyone in your local Ethernet network can easily see your MAC address with simple tools. The most important reason would be privacy.In simple words, a MAC address can be used to uniquely identify your Android phone on the Internet or the local network. What is MAC Address or WiFi MAC Address?Ī Media Access Control address (MAC address) is a 12-character unique identifier assigned to a specific piece of hardware such as the network adapter of your WiFi device. Two different methods to change Mac address without root and rooted phones. Before heading into the ‘How’ part of the article, let us see a brief intro about ‘What’ we are dealing with here. Here’s a step by step guide on how to spoof or change MAC or Media Access Control address on Android devices.