Forum Discussion
Microsoft Lumia 650
Microsoft Lumia 650. Unlocked, Smarty SIM recognised, but can't make incoming or out going calls. Is it a known problem that can be fixed, or is it not working because the phone is not compatible wit...
It does not appear in the list of phones that are not compatible
Checking if your device is 4G-VoLTE compatible | SMARTY Help Centre
Have you checked through all the settings in case it needs to be enabled ?
