@Bodrey Hi, Would it be the same when you try to access via http://tplinkmodem.net? And did this page come out once you input 192.168.1.1, or after hitting some buttons on the web interface? If...

@Al_Borges Hi, it is for Deco X20 only; As for the Deco W3600, please refer to this link to have a look: https://www.tp-link.com/us/support/download/deco-w3600/v1/#Firmware Deco W3600(US)_V1_210121...

@infins Hi， Could you please send me a private message about your TP-Link ID as well as the MAC address of this Deco? By the way, have you tried to change a different one as the main Deco to...

@TP1979 Hi, Did you use the guest network on the Deco? If not, you could consider using the Pi-hole DNS under DHCP settings; Thank you very much.

@Bakken Hi, did you set up the Deco X60 as the wireless router mode or access point mode? if it is on the access point mode, your current firmware 1.2.6 is not supported guest network isolation, and...

@infins Hi, Thank you very much for your feedback. Could you please help me record a video clip of the whole process？ And what is the LED light status on the Deco after it switched to access point...