@Yafi That's great to know that the issue was resolved by disabling IPv6 and SIP firewall on the router, we will certainly report this to the support engineers, and they will investigate. Do let me...

@rpotalara I see. It seems that your C60 is a BR version, I just noticed that it does support Onemesh already. As for the 2.4G not responding issue, have you tried my previous suggestions, do they...

@shubhro Try to follow this article to set up the router: https://www.tp-link.com/support/faq/1556/ May I know who is your ISP? Ensure you have internet access by connecting a PC directly to the ISP...

@DominikLulak Do you still use the original power adapter? Was there any power cut or bad weather or firmware upgrading before it behaves abnormally? Try to hard reset it by holding the reset button...

@SnehBansal I see. The issue had been escalated to the support engineers, they will contact you via email to investigate.

@jpsm Sorry, the article we linked previously is what we can provide now. You are suggested to do the settings mentioned in that article, and keep an eye on it, once there is an update.