@Nardol Thank you for the question. I just checked and one of the Deco's was running on a different firmware. Unsure why. I have upgraded it and now everything seems to be working well.

@TP-Link I have an issue, I have upgraded the firmware to 1.6.0; however, my app does not provide me with the option to chose which device connects to which Deco. It is running the latest version of...