@ThanhHa Hi, welcome to the comunity. May I know how long you have had the Deco X20_V1.0/V1.2? Did you add all three Deco X20s(V1.0+V1.2+V3.2) into the same Mesh network? Or setting a separate Mesh...

@MatDeus Hi, Deco doesn't support a site-to-site VPN connection. You can try to set Deco X50 in location B as a second VPN server, then create two VPN connections on the Deco X50 in location C. PS:...

@ScoobyMooch Hi, welcome to the community. May I know how long you have had the Deco M5? When the mobile devices failed to access the internet on Deco WiFi, if you switch to the SSID of the MR600,...

@ObiwanVisserman Hi, welcome to the community. Have you tried contacting the local technical support? https://www.tp-link.com/za/support/contact-technical-support/#Hotline-Support If you are working...

@Johnny_hmy Hi, welcome to the community. It is suggested to contact the local support team for further assistance: https://www.tp-link.com/hu/support/contact-technical-support/#Hotline-Support Best...

@YahyaKm Hi, have you tried temporarily setting Deco X55 into "Access Point" mode to see whether it helps: How to set up Deco to work in Access Point mode Wait for your reply. Best regards.