What “premier version” you had are you talking about ?
What says or makes you believe you don’t have a premier version of AIS anymore ?
How/what did you renew ?

avast is trying to handle tickets within 10 business days (=2 weeks)
Each time (as has been explained a huge amount of times already) you submit a new ticket or change a existing one, you will be put back to the bottom of the stack since it is a FiFo system.