Fibre Extra to new Fibre Extra - how do you know when you have swapped over

[#1]

Well as the title says, how do people tell when they have swapped from the old FIbre Extra to the new Fibre Extra with.  Obviously you get the nod from Plust Net but is there a way to ttell from your router or from your account settings.
I am just curious so that we can check that our faster download /upload speeds are working

[#2]

How about the usage limit

[#3]

The usage limit changes on the account instantly but apparently the physical change to the line speed takes a few days.