@Wahab_Durani Hi, the Ethernet cable would affect the speed and the router would do as well. So leaving the Ethernet cable match with the router Ethernet standard(such as Fast Ethernet port(100M/s)...

@SIMSIM Hi, thank you for your patience. May I know the current firmware of the Archer VR400? Have you tried to change the wireless settings, such as: https://www.tp-link.com/en/support/faq/2794/ And...

@PasKy Thank you for sharing. If anyone had the above issues, after trying the provided suggestions, if the issue is still unsolved, please feel free to let me know. Thank you very much.

@star2 Is IDM your internet service provider? And can I have a picture of the DSL settings on the web interface of the 9970 including the SNR and DSL rate? Thank you very much and wait for your reply.

@Jheng Is your fiber modem actually a modem router with Wi-Fi ability? Have you tried to log into the router to run the quick setup once in order to activate the router Archer A5? Thank you very much...

@Hobbes2099 Hi, Did you use the Deco M5 also as a wireless router? --If yes, there would be two IP ranges, 192.168.1.xxx and 192.168.68.xxx; Please try to switch the Deco to access point to have a...