Don't expect miracles with 5G None Stand Alone (the bulk of 5G) It requires 4G infrastructure to work and if that infrastructure is oversubscribed it has a knock on effect with the 5G element.
Where I am 5G NSA is not much faster than 4G. Walk uphill and pick up the 5G SA tower and the speed beats my home broadband
This is not O2 and we are all customers here similar to yourself and cannot answer account type queries.
