JIO Volte not working after One Ui 4.0 update

[Abbyk]

Model : SM-G998U (S21 Ultra unlocked)

Volte not wifi calling not working for Jio SIM. I'am not sure if all S21 ultra unlocked owners are facing similar issues, if yes have any one filed a bug regarding the this issue?

[user963]

Ya I'm facing same issue in my m21 old edition 0ne ui 3.1
When I turn on wifi calling it turns on for airtel sim but it does not turn on for Jio sim I don't know why

[Abbyk]

That's for Google Play issues not this.

[WalkieTechie]

Yes, you are right but many users are facing the exact same issue in this forum.

[Abbyk]

Iam not sure if samsung has acknowledged this issue yet, if yes can you please share the link?

[WalkieTechie]

Samsung acknowledging individual bugs is rare! To be certain you can send a report yourself.

[Abbyk]

I've already reverted to 3.1 becz the phone was useless wasn't able to send or receive messages or calls

[fxearner]

How u reverted to 3.1?

Can u plz tell me

[fxearner]

Can you please tell me how to fix it,my also jio sim not working

[Abbyk]

You'll have to use odin software and firmware from sammobile