Hi

I'm currently subscribed to the $19 combo pack which gives me 500mb of data and renews every 30 days.

Since this isn't enough data, I want to add on the 3GB data pack which is valid for 90 days.

Ideally this would work out to be 1.5GB per month, but this would only happen if the 500mb from the combo pack is used up first (or more precisely, whichever meter is due to expire first at any given time).

Has anyone had any experience with how data usage is allocated?

Thanks!