@bekkerj If the internet speed is not as good as expected when connecting to the Archer C7 network, please follow this article to do some basic troubleshooting and verify which case are you belong...

@Rahul. Do you mean there was a power outage when you upgrading the router firmware? You need to avoid this as it will certainly brick the router and void the warranty, check below:...

@Boriss Hello, if you cannot connect to the Wi-Fi network of the WR820N, please visit the below guide: https://www.tp-link.com/support/faq/1557/

@a010962a Better to describe the issue in detail, then we will know how to proceed. Are you saying some devices cannot connect to the wireless network of the WR940N? If that is the case, refer to the...

@Syafiza What's the hardware version of the C1200, is it V1 or V2, or V3? Was there an error message when you tried to login to the router on the Tether app? Try to disconnect from the network and...

@Electroman121 Hi, as replied in the below thread, you can investigate the issue with the support engineers directly: https://community.tp-link.com/en/home/forum/topic/270606?replyId=631292 BTW, your...