@zamecnik Hello, what is the internet IP address of the router? Note the LAN IP. We need ensure that the internet IP/wan IP is public, not private one. Good day.

@HansB Okay, that would be great, glad to hear hear that you figured it out. Now you can enjoy the internet. Good day.

@yde Hello, thanks for your rpely. From the picture attached, there is no WAN IP address when you connect the router to the 5GHz of the hotel wifi, that is why you failed to get internet from the...

@Raed Alright, if so, there is not much we can do, what we have done cannot fix it; If there is no suggestion from Samsung tech support, you can contact the local tech support or the retailer to...

@Sean22 Thanks for your reply. From the picture attached, the Archer C7 works as an access point, while C7 supports onemesh in router mode ONLY. So you can go to operation mode, change it back to...

@BernieAJ Thanks for your reply. For TL-WA901ND, please refer to https://www.tp-link.com/support/faq/1603/ to configure it as a client mode; To set it up as an access point, please refer to...