Might want to try a different browser i.e. Firefox. Some have had problems upgrading with Chrome and Edge

@Arcamm I've never seen GRC.com show the port status on the ER605 as stealth, they normally show ports as being closed? Outside port checking will only show the port as open when you have a local...

It won't display correctly unless you have an Omada compatible switch. What router and APs are you using?

Is this really a WLAN schedule or is it a SSID schedule? It is a selection when you edit a SSID and only seems to effect that SSID on my system using the OC200 controller. Should the name be changed...

This has been a common problem recently. Try clearing the cookies for tplink on your browser.

For comparison. My Omada speed test returns about 65% of what any other speed test returns on my system.