Activating VoLTE can improve the quality of your calls and allow you to use data for games, browsing, or scrolling while you talk on the phone at the same time. On most modern smartphones—both iPhones and Android devices—VoLTE is automatically active. But, you can confirm that you have VoLTE activated on your device by checking your settings. On Apple phones: On Android phones: Another way to make sure that VoLTE is active is to update your phone’s software often to make sure you’re using the latest version of the operating system.