If you are struggling with Smarty phone calling on 4G try typing *#*#86583#*#* in your dialer screen. Then go to network settings and enable VoLTE for your simcard. It works for me.
If you are struggling with Smarty phone calling on 4G try typing *#*#86583#*#* in your dialer screen. Then go to network settings and enable VoLTE for your simcard. It works for me.
If you are struggling with Smarty phone calling try typing *#*#86583#*#* in your dialer screen. Then go to network settings and enable VoLTE for your simcard.
