Hello, For firmware version, you can check them via tpPLC utility and then you can compare them with the firmware released on official website. https://www.tp-link.com/en/home-networking/powerline/...

Hello, for your information, the firmware should match the hardware, otherwise, it may ruin the powerline adapter. Cause the current units work properly, it is not suggested to flash the firmware...

Hello, All the TP-Link powerline adapters are compatible with each other. While as the cask effect, the TL-PA4015KIT will affect the performance cause it is AV500, while TL-PA7020 is AV1200. It is...

Hello, Is there any error message if you cannot connect the device to the powerline adapters? It is suggested to forget the profile and reconnect to it. How to forget profile:...

Hello, Reboot means that you need power off the smart phone completely and then power it on to check whether it works. In other word, power cycle your smart phone and give it a go. Besides, may I...

Hello, Have you setup the same wireless network names for the RE450 and main router? If not, you can customize the network name of the RE450 to make them the same as main router's wifi names....