In this case, your plan will immediately convert to the monthly PRO Dual-device plan on April 10, but you will be required to pay upfront the difference in monthly payment amounts for the period between April 10 - May 1.
In this case, your plan will immediately convert to the monthly PRO Dual-device plan on April 10, but you will be required to pay upfront the difference in monthly payment amounts for the period between April 10 - May 1.