Yes, you can. Upgrades take effect immediately, and you would be billed a pro-rate amount for the number of days under the new plan. For downgrades, the downgrade will take effect in the next billing cycle.
Yes, you can. Upgrades take effect immediately, and you would be billed a pro-rate amount for the number of days under the new plan. For downgrades, the downgrade will take effect in the next billing cycle.