Many people started reporting that their Jio 4G Voice app keeps closing / crashing. I’ve seen so many complicated solutions explained online – but its a simple device access permission issue and can be solved in some seconds.
Reliance Jio4GVoice App
It is used to make VoLTE and Rich Communication with a Jio SIM – either in the phone or in a LYF powered JioFi connected to your 2G, 3G phone. Enriched calling, Unified Messaging, Chat and more ..
YouTube link: Jio4GVoice App Crashing Issue: Solved
In your android phone, go to settings -> apps -> Jio4GVoice -> permissions. Now grant all the permissions it needs. Congrats you fixed the issue!
Now open the app and it should start working normally.