@David-TP Okay now i understand.

@YahyaKm Turn OFF Upnp and SIP ALG and then try again

@David-TP No im not facing any issue when Beamforming is enabled by default but why Application QoS is not supported ? Why supported in Deco M5 but not in Deco X20

Hey TP-LINK !! Today i installed Deco X20 single unit as a main unit but some features are missing such as Application QoS / Beamforming / Wireless Security such as WPA3 and also i tried to reinstall...

@YahyaKm Change your DNS on Deco to 8.8.8.8 & 8.8.4.4 or check parental control on your Deco App

@YuriyB Okay