@tsang1222 Hi, can I have the model number of the ISP router(DHCP router)？ Did it help if you tried to reserve an IP address for the main Deco X50 on the ISP router? Wait for your reply. Best regards.

@RichardW1963 Hi, before switching to "Access Point" mode, it is suggested to refer to this link to set the IPV4 DNS to 8.8.8.8/8.8.4.4 to see whether it helps: How to change DNS server settings on...

@Tom1977 Hi, thank you very much for the feedback. It is suggested to install the 1.8.0 firmware here, which has greatly improved the Mesh roaming performance: Deco X50_V1_1.8.0 Significantly...

@Sezai1 Hi, have you tried to factory reset Deco once after the firmware upgrade? It is also suggested to restart the ISP modem and the whole Mesh system once. Later, if the Deco M4 disconnected...

@Par_2025 Hi, welcome to the community. The latest firmware for Deco M4 is still 1.8.1, so I guess the current firmware should be 1.8.1. Could you please refer to this link to help me submit the Deco...

@AbreahamMG Hi, thank you very much for the feedback. Did you set Deco XE75 into "Access Point" mode? Network topology ONT/Router → XE75 (Salón – Main) ↳ XE75 (Dormitorio – Wired backhaul) ↳ XE75...