@IshSinghHD Yes, you can. PC will connect to Deco by Ethernet just fine.

@Yanick1 Start with this FAQ document: Troubleshooting Slow Internet Speed with Deco Devices

@Andeh1 If you have ISP Router, consider running Deco mesh in Access Point mode. In that mode, you can wire Deco units without any restrictions. Switching a Deco to Access Point (AP) Mode

@Zoddy Deco E4 firmware does not support connection preference. You will see this option appear in Deco app only when all Deco units support it. If you wish, you can run the test: delete in Deco app...

@Zoddy Do you have only M5s in your Deco mesh?

@Alexmesh Two things you can do in regard to smartphone (not) connecting to WiFi5: 1. Enable Guest Network (if it is disabled), configure it without password and with only 5GHz, see if smartphone can...