@DecoR121 Hi, I'm afraid the 1.6.x firmware still hasn't been ready for Deco X20/X60_V4/V4.6 yet. Best regards.

@Mistryboyuk Hi, Thanks for the feedback. Which VPN server do you plan to connect? NordVPN or something else? Wait for your reply and best regards.

@-Kiwi1973- Hi, welcome to the community. There was similar feedback last week: https://community.tp-link.com/en/home/forum/topic/714830?replyId=1444814 Is your Deco X50 also V1_1.6.1 firmware? -If...

@azafrak Hi, I'm afraid Deco X73-DSL doesn't support changing the IPV4 DNS under "DSL modem router mode". You could edit the LAN DNS under Deco APP>More>Advanced>DHCP. May I know why you want to edit...

@MartinSu Hi, welcome to the community. I think you might be connecting to the 5GHz band when trying to disable the 5GHz frequency. Have you tried to turn off the WLAN on the mobile phone and use the...

@RobertMa Thanks for the quick reply. The case has been escalated to the senior engineers for further assistance. Please check the email for more suggestions. Thanks again and Best regards.