Hi, I have the Zyxel T50 and T mobile unlimited. For the past 2 years i have been using an external IPTV. Not the T mobile one. Suddenly yesterday it stopped working. I have changed the Zyxel T50 DNS ports to Cloudfare or Google with a static DNS address but the problem still occurs. I can still enter my IPTV through my phone when I am using mobile internet. As soon as I connect to t mobile house. I can't watch any channels. It's like it's being blocked from ISP or router. What do you propose me to do?