Thank you for reaching out to the Samsung community! We would like to inform you that the VoLTE option also depends upon the network service provider. We also suggest you to follow the below steps and check if the option is available:
- Use VoLTE SIM in SIM slot 1 - Menu > Settings > Connections > Mobile Networks > Network Mode > Select auto mode (GSM/WCDMA/LTE). - Kindly go to settings >> General management >> Reset >> Reset network settings.
Be sure to hit ♡ when you find an answer that works for you. For Further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
Please perform the below mentioned steps to resolve the issue:
* Check network operator settings Settings > Connections > Mobile networks > Network operators > Select automatically > OK > Registered on network. Note: We recommend to set device network operators as LTE/3G/2G (auto connect) mode.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
