I’ve the same problem with an ubiquiti AirRouter with AirOS 5.5.6 from factory…
I’ve downgraded rightly to the AirOS 5.3.6 (http://www.ubnt.com/eula/?BACK=/downloads/XN-fw-internal/v5.3.6/XM.v5.3.6.14295.120904.1243.bin) but there are no posssibilities to use the hotspostsystem modified firmware…
