I'm trying to update an 1100 series AP that is running "12.2(13)JA4" to something a little newer to match the existing APs we have installed. No matter what version I try to install the AP seems to be refusing it. I'm not sure if this AP is in autonomous or lightweight mode either, I don't know how to tell.
I did notice that this one is missing the "Express Security" setup button, not sure if that is an indication of something or not. This is an AIR-AP1120B-A-K9 AP.