ZoneFlex Solo Access Point VS Standalone AP Software

[akshay_9jdnznq9]

I am using vSZ controller version 3.4.1.0.208
recently I faced some issues with my new order of R310 indoor APs.
When I receive APs with the firmware "Standalone AP Software 102.0.0.0.5 (R310)" they are discovered by the controller but when they have the firmware "ZoneFlex Solo Access Point 110.0.0.0.683 (GA) Software Release (R310)" they are not discovered by the controller.

Is this a bad AP firmware issue or outdated controller issue? 

[michael_brado]

Version 110 Solo AP image came out with SZ 5.x firmware, so using 104 Solo with SZ 3.6 x makes sense.