@laghithomas Hi, maybe you could use RE315 to extend the wireless network of Archer C6. Or I have another idea for you: Archer VR2100))((RE315---cable--Archer C6.

@Cowleys Did you log into the new iPhone via the same email account that you used to set up for the first time? If not, you might need to log into the same account.

@JMIV Hi, you can enable guest network for 2.4ghz for example and name SSID#1, the 5ghz only on the main network and name SSID#2

@Simik Hi, I think it is very likely you might configure a static IP address on the computer. "DHCP enabled" should be yes.

@Anderaos Hi, I saw they added this feature on the firmware 1.6.0 or 1.1.0 and I think the following models have this feature as well: https://community.tp-link.com/en/home/forum/39?labelIds=8214

@Anderaos Hi, I see Deco M5 supports: Added schedule and bandwidth limit to guest network under Deco App > More > Wi-Fi > Guest Network.