A) Pro-rate the cost and immediately drop down to a free tier or cancel the service
B) Disable renewal, but keep the same level of service until the renewal date.
According to OP, he was knocked down to free tier but not issued a refund. That is incredibly odd, given that he already paid for the service
To be clear: The knocked me back to the lower free tier and quota, and only restored the quota a few days later when I saw no refund and complained.
A) Pro-rate the cost and immediately drop down to a free tier or cancel the service
B) Disable renewal, but keep the same level of service until the renewal date.
According to OP, he was knocked down to free tier but not issued a refund. That is incredibly odd, given that he already paid for the service