Last month (May) I bought a topup bundle of a few gigs - this bundle expires close to the end of this month (June).
At the beginning of June my account was credited with the usual monthly data. I can see it side by side with the monthly data in CZ. However, the data I use is still coming off the monthly bundle and not the topup first.
It doesn't make much sense doing it this way, and it would be easier to eat through the topup bundle first and then start on the monthly bundle. Otherwise the topup will just expire, probably just before I need yet another topup, at which point I'd have to buy another one.
Is it possible to change this behaviour?