@Pherscho Hello, sorry that it is not allowed to downgrade to the previous version, please help confirm some details and we can try to fix it together. 1. What is the current network diagram? How...

@Timohesk Hello, Deco can provide 2.4G and 5G wireless networks, but the two Wi-Fi bands have the same SSID and password, it's unable to separate the two Wi-Fi networks via the name. However, you can...

@Koi Hello, Yes, you can add the Deco M9 to your existing C4000 network, below are some suggestions: https://www.tp-link.com/support/faq/1432/ It is suggested to refer to the setup videos to install...

@HarlanPepper Hello, Generally, it is not suggested to set the SSID on the Deco app to be the same as the existing wireless network, which may be hard to tell whether your phone connects to the Deco...

@1Carl-S. Hello, May I know who is your ISP and what kind of modem are you using? When you connect your computer to the ground floor router, what is the IP address you can get? Please refer to the...

@Bjfunke Hello, Please help verify more details and we will try to figure it out ASAP: 1. What is the current network topology/layout? How many Deco X20 do you have and how are they connected? 2....