Does ISP throttling affect all streams ? Ive been having an issue for the past week, where my US streams all have buffering issues during the afternoon but not at night/morning, while all my other streams are okay with zero buffering. Does that rule out ISP throttling?
I use tivimate-firestick with wired conection.
Yes, that is a very real possibility. You can purchase a VPN subscription and see if that helps.