Better than advertised speeds here .Most of the time between 17 and 19
These were the original Gen4 plan offerings:
Then in mid December, new plan levels became available.
The "selection" varies by a users location and seems to be dependent upon localized capacity.
This in the more congested areas:
And this one that includes the Ultra plan:
Well ..... a user could do either a re-install or a re-registration ,,, but not a recommended move
That fits in with "hey !, don't step in that !!!"