I'm still facing the call issue

[SmartTamila]

After the update of Android 12 I'm still facing the call issue on my samsung galaxy s21 ultra unlocked US version..volte is not working im unable to make and receive calls on jio sim.. Anybody facing this kind of issue 

[prabhas5555]

If ur sim is idea then its idea problem im facing this problem in all phones

[SmartTamila]

No I'm facing the issue on jio sim only in my phone

[prabhas5555]

Okk

[MAHESAMSUNG]

Dear, pl inform whether U have installed jiocall App? If not, try it first. If shown failure again, either U may contact jio / ssmsung custmer care. Thx.

[prateekmahnot]

Same issue with Airtel as well VoLTE and wifi calling not working

[SmartTamila]

What dif u done for fix the issue bro

[prateekmahnot]

Nothing, waiting for the update.🥲

[SmartTamila]

It's better we can check on service centre

[prateekmahnot]

They will not entertain because it's US unlocked version. They only entertain Indian version