I want to use 2 jio sim on my phone. But i have connection in only one.
Buy another phone.
Lmao🤣🤣🔥 Destroy in seconds
Go to SIM and Network settings and enable VoLTE. The setting should be enabled by default if not you can go to settings and manually do it.
Make sure your phone is on the latest software version. Please share a video if you are not able to do it.