Issues in A series and M series with airtel

[kamalh]

once side voice stops after sometime

[DarkClawX]

switch to Jio, you'll get better quality. I was also facing the same issue with Airtel

[mqwertym20]

Yes bro same issues with airtel at my place but not in jio. Jio works fine.

[AMPK]

Shift the SIM card from one tray to the other and see. Samsung has antenna problem