DNSSetter — Open Source Firewall App

DNSSetter lets you change your DNS servers. It currently uses the "setprop" method and works for mobile connections (3G, 4G, etc.). This is temporary and it will not resist if your IP address changes or if you reboot your device. As DNS management changes depending on Android version, this might not work for you. If so, please let me know so I can try adding other methods. Requires root: Yes. To edit system properties.