As per your concern, we would request you to kindly perform the following steps to resolve your issue.
Clear app cache through Device care: Settings > Device care > Storage > CLEAN NOW. Note: To delete files or uninstall apps that you do not use anymore, select a category under USER DATA. Then, tick items to select and tap DELETE or UNINSTALL.
The clear cache memory of a particular application: Settings > Apps > Now pick the app that you like to clear off the cache memory > Storage > Clear Cache.
Reset the device Settings: Settings > General Management > Reset settings>Reset all settings to their default.
For Wi-Fi calling you must have the following requirements.
1-Access to a Wi-Fi router with a high-speed internet connection (Any ISP Router) 2-Wi-Fi calling enabled smartphone. 3-The latest software needs to be updated. 4-The Wi-Fi calling switch should be on. 5-You should use Airtel 4G SIM (VoLTE Support) Or RJIO SIM Card + VOWIFI should be enabled for the user by the operator end as well. For a seamless experience, You should keep both VoLTE and Wi-Fi calling switched on.
Enable the Wi-Fi calling feature via settings: Settings> Connections> Wi-Fi Calling> Turn on Wi-Fi Calling> Wi-Fi Calling feature has been turned on.
Enable the Wi-Fi calling feature via the Notification panel: Notification panel> Wi-Fi Calling to enable> Wi-Fi Calling has been enabled.
Enable the Wi-Fi calling feature via the Phone App: Phone>Menu> Settings> Wi-Fi Calling> Wi-Fi Calling feature has been turned on.
If the issue still persists kindly report the problems of your Samsung smartphone with a log file. To share a log file, click on the Samsung Members Application (Open Samsung Members Application > Support> Tap on error report > Type your query > Send).
