To check if VoLTE is enabled on a Samsung phone (Android), here’s what to do:Open the Settings appTap ConnectionsTap Mobile NetworksLook for VoLTE Calls (or VoLTE / 4G Calling depending on your region/carrier)Toggle the switch to enable VoLTE. Confirmation: When VoLTE is enabled, you'll usually see "VoLTE", "HD", or "4G" in the status bar during calls. The phone should stay on 4G/LTE during a call instead of switching to 3G. If you don't see the Option: Check your device version. Teleware officially support Samsung S20 and above purchased directly from Samsung with Android 10 onwards. Other device and software variants may support Teleware VoLTE, depending on origin and build. If in doubt try using a device that meets or exceeds our official recommendation. Update to the latest software version. Contact the Teleware Service Desk, servicedesk@teleware.com for further information. Related FAQs:VOLTE Settings for iPhone: https://www.telewarehelp.com/products/volte-mobile/volte-settings-iphone