@WaqasQ497 If the internet LED on the router turns red or orange, that means it loses the connection from your modem. Go through this FAQ to troubleshoot the issue, and you can feedback to the tech...

@DennJiu Hi, sorry that I cannot speak German, but I wonder if you're reporting a similar issue as mentioned in the following FAQ? https://www.tp-link.com/support/faq/3344/

@valballard2019 Hey, what kind of devices are managed via the TP-Link app? Are you referring to the Tether App or other apps, such as Tapo or Kasa? If you are using their Tapo or Kasa App, and the...

@The-Kamal You need to describe the issue you're experiencing in more detail, then others can suggest or help.

@johndevid What's the error message when trying to log into the device on your Tether App? Try following this FAQ to check if any help.

@Kau07 What's the model of your router? What's the firmware you are running with?