Cant make calls

[Dr_Andy_Vishnu]

Could be lots of reasons. I know in the UK if i dont reboot watch after sim inserted it never works

3G is going away extremely soon. Are you ready?

To be clear, most of our devices are indeed VoLTE compatible when it comes to hardware & bands etc… However, most cellular providers have standards (config files) that need to be met to enable VoLTE to work. LTE data is no problem. There is also the fact that your watch may appear to be using 4G for calls - but in reality it is switching to 3G automatically for voice calls. You can test this by selecting 4G only in the watch engineering mode settings (research if you are unfamiliar with this…