Someday, some time, devices managed my omada will reach EOL(some already did) but there is no way to discern that in the controller. Please include an aid to identify/replace EOL devices. Like a...

@lifetechmeda https://www.tp-link.com/cl/support/download/er7206/v1/#Firmware has them all

Steps I have used to sucessfully debrick the device: Download the 1.2.0 firmware Flash it via recovery upgrade one by one, step by step (1.2.1, 1.2.n, 1.3.x, 1.3,y...z, 1.4.a...)to the latest version...

I have temporarly reconfigured the network to work with just port 5.. the SFP port that I use as WAN lucky continues working . all but the 5th ethernet port are dead.

ER7206 v1_1.4.2_20240614(Beta).zip was unpacked and flashed via the oc200 firmware upgrade dialog.

@Clive_A Controller : OC200 5.14.20.21 file that was downloaded: The link posted on this topic, first message, checked twice to be absolutely sure it is. previous firmware: latest stable...