7. Can a customer activate two or more of these plans at the same time?

2 plans with the same speed;

>  Prepaid: Allowed

>  Postpaid: Not allowed to activate if the already activated plan validity period is higher 

2 plans with 2 different speeds;

>  Prepaid: Allowed

>  Postpaid: Allowed to activate if the already activated plan speed is lower or validity period is lower