The most important reason to protect your privacy, if you change IP address on android, before that you must have authenticated to the network using a MAC address, either anyone easily finds who you really are.In some places, you can get wifi passwords, but you can’t access the network because they have activated MAC filtering, so if you change Mac Address android then you can access any network.It can be used to uniquely identify your Android device on the internet, web or on the local network. Without MAC address your operator doest gives signal or tower. The MAC (Media Access Control) address is the unique hardware number of your smartphone.
