unable to make calls without volte on m21

[ankitjgd]

Unable to make calls or send sms when VOLTE is turned off 

Any suggestions ?

[Ehsank]

why your volte turned off?

[veer]

why bro ?

[AMPK]

If it is JIO you can't do it because jio has only 4G no 3G or 2G options. so if you keep 4G LTE on only you can use the service.

[hhb19]

I don't have volte option at should I do for that..someone fill me in

[Rickrolld]

if jio you can download jio call app