Want the convenience of managing your account instantly? Then look no further, ThunderTv has made it easy for you.
Go to your Client Area overview and Login.
Click On Services
If you have more than 1 service, choose the one you want to change.
Select Upgrade Subscription.
Do one of the following:
View your current plan or package
Choose the New Package, it will allow you to pay the difference.
Follow the prompts to finish up.