@Karim_HT With the Deco system, you have one network name, but you can make another SSID by enabling the guest network. If you want a different DNS server than what the Deco provides you can try...

@Ranjinath Firmware 1.5.3 was released to address any connection issues with zoom, mainly with parental controls "pay to surf" blocking connections. Since you have 1.5.3 try updating to 1.5.4 to see...

@Kaden Factory reset it to clear anything potentially left behind by holding the reset for 15 seconds while it is plugged in. When you go through the setup again, you shouldn't have any issues. I...

@Steals The .8 denotes that it was manufactured in a different country which should be Vietnam. The first digit means they are the same.

@entdgc I would first reach out to your ISP to make sure no ports are being filtered. If not, try changing the ports to completely values such as 1000 or 2000 jfor HTTP, save and then test with a...

@jycemea You can put a range on the external ports, for the internal ports leave that black: