I bought it today. I want to change to the $15 plan. but already paid $40 with $10 off for 8 months in this case. when I change the current plan to another plan, will i pay $15 today?
There is no such a bill on prepaid plans, and they're just asking you enter your card information for next renewal. However, you can see the history that you've paid by your card on the menu.
