Welcome to Vodafone Community
so, just joined, using a mi mix 3 5g and it displayes volte but.......... it wont use it and according to Radio Switcher app volte isnt provisioned. this would seem to be accurate as trying to call causes the phone to drop to 3g.
whats the problem? to me it looks like its just not been provisioned on my account but voda seem to think it has