@beshur Do you have internet access through the EC220-G5 extended wireless network ? It's quite possible that you can't build a successful wireless connection with you main router - check this...

@pawanj Yes, that would be the right FW for you - follow this link and upgrade. In general on the bottom sticker you can find the info about the HW version and region of your device.

@Davert If you''re after a mesh network with ethernet backhaul you can browse the Deco or Omada-SDN solutions. Here you can see the difference between Deco mesh and OneMesh.

@Davert You can't build OneMesh network between two routers - OneMesh FAQ - Q10/A10.

@VenuKumarBatta Unfortunatelly, if it doesn't work with your ISP device there's nothing you can do. You saw that with another device it works perfectly. Here's more detailed information about the...

@hansem72 Check this FAQ. "... other functions supported by both Router Mode and Wireless Access Point Mode, including Led Control, Auto Reboot, Time Settings, USB Sharing and Wi-Fi Schedule, would...