@jhasp-pune Glad to hear that you got the issue resolved by changing the MTU from 1500 to 1400. The firmware you can see on the official website would be the latest we can provide.

@bilbil Is your Archer C6(EU) 2.0? What is the current firmware? Have you tried to review and verify if there is interference with the signal? Try to run Wi-Fi analyzer to verify and find a clear...

@Subho440 You are suggested to update to the latest official firmware from the local official website: https://www.tp-link.com/support/download/archer-c6/v2/#Firmware If there is still an issue,...

@dinesh.lalwani If you bought it recently, it's suggested to check with the shop or reseller to confirm if that can be replaced with a V4 or V6 version.

@k_graham Thanks for the device label. We found you already have an open ticket that reporting the same issue to the support team, please keep following the ticket with them, and they should confirm...

@Goncalofarinha Do you mean running the Speedtest on the Tether app on the phone will caused the router to reboot itself? Is it possible to take a video showing this issue? Please disconnect all...