@Bertie78 Can you be a little more detailed in the actual issue, you said speed tests are ok but using Wi-Fi is not. Are your APs too close together, what connection speed do your devices show when...

@TheKaban For your requests, does Rogue AP not give you enough for your point 0. 2. - You can add signal level to the client view, it doesn't record their levels so you can't see what they had or why...

@Anjerlaan The settings are NOT adopted, they are wiped once the APs become managed, you will need to create new SSIDs and set them up as managed policies in Omada

@Bertie78 Running a speed test over Wi-Fi is never good anyway - check your internet speed with a wired connection, if the results are within the range of your sold speed, then you need to look at...

I'm fairly sure on the first page it tells you it doesn't touch your existing install, it installs the new version alongside. I used the GUI as that was simplest for me.

I did mine through the GUI, but either will work - whatever you are comfortable with.