@vladiy Which Time Zone do you want to choose? When you save it, is there any error message or there is no option for it? Kindly show us the screenshot, thanks.

@Atulanand5 How about wired and 2.4G, no devices connected? Have you tried to reset the C80 to factory defaults and reconfigure it from scratch to confirm?

@Terserah Have you tried my previous suggestions that reset the router to its factory defaults, reconfigure it from scratch, don't import the config files back, don't configure the IP&MAC binding,...

@0xde May I have the model number of your TP-Link device? As we have replied earlier that the home routers don't support VPN client settings, it only offers a VPN server (OpenVPN and PPTP). However,...

@Przybylkiewicz Hi, it is suggested to ask the printer support to check if we need to modify any special setting on the AX11000, then we can confirm.

@Przybylkiewicz Hello, thanks for asking. May I know is there any issue with the log? Or you are just curious about the date? From the log you attached, it seems quite normal, the router will...