@Coustard Hi,welcome to our community. All Deco models can work together to set up Deco mesh network. You may read this thread to know more: Can different Deco models work together? What I can know,...

@Stigern Hi, welcome to our community. You may try the firmware in the thread: Deco M4/S4_V2 Support Connection Preference Thank you and best regards.

@tjasa123 Hi, welcome to our community. It is suggested to follow the troubleshooting steps below: 1. On the web UI, go to Advanced>>DHCP Server, change Primary DNS Server/Secondary DNS Server as...

@VipDerrick Hi, welcome to our community. About hardware version of your device, you may refer to the guide to confirm. Then you may check the firmware on the official website, according to your...

@AdrianF Hi, welcome to our community. It is suggested to follow this guide to configure and troubleshoot if it still fails: How to setup my VoIP function on VoIP Modem Router You may contact local...

@Davka Hi, thanks for your update. We have created a ticket to follow up your case. Please check and respond. Best regards.