How to start vi class 0 messages

[PrajwalKasture]

I am not getting class 0 message of vi on my vi number what to do I also called customer care but it didn't solve my problem please help me please.

How To Enable Flash Messages On Any Android Smartphones / ES Techno

https://www.youtube.com/watch?v=srgkVihVsWg

[cs-member11]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We acknowledge your query and we request you to please contact to the network service provider for the same. If you want to turn on the Vi class 0 messages.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support

[PrajwalKasture]

Already network services provider talk but problem not solved please help 🙏