Hi, Sure, below is the download link of the firmware for 940N. https://www.tp-link.com/support/download/tl-wr940n/v6/#Firmware Please verify the hardware version first....

Hi, Below is the instruction to setup IPV6 on the Archer D9 you can give it a shot. https://www.tp-link.com/support/faq/857/ May it help and have a nice day.

Hi, All the TP-Link powerline adapters are compatible with each other. If you want to add another single powerline adapter into the current 4220, it is suggested to buy a 4 series, like TL-WPA4220....

Hi, The cable plugged into the camera is an USB cable which connects the power adapter provided to power the camera. You can refer to the user manual to get more information....

Hi, What is the light status of the NC220 when it lost connection? At that point, is there any error message pops up on the tpCamera APP? Like the camer is offline or so? Did it obtain IP address?...

Hi, For ethernet backhaul, you can refer to this thread: https://community.tp-link.com/en/home/forum/topic/98898?page=1&t=2019%2F07%2F02%2008%3A17%3A29%20%2B0000 In your current topology, the...