How to deal with operator spam through pop-up notifications?

Question

mobile connection

Actually there is an Androidophone and Beeline as an ops.
Periodically, notifications pop up on the screen with the heading "Beeline" and the text like "Let's give you such and such a service" and the buttons "OK" and "Cancel".
Moreover, I note that push notifications are disabled in my settings. What else can be done?

Answer 1

https://moskva.beeline.ru/business/help/mobile-and...

Answer 2

Change operator