Quote Originally Posted by 1bird2 View Post
Software Version: Program-- 1.0.0.76 Bootloader-- 1.0.0.9 Core-- 1.0.0.25 Base-- 1.0.0.76

Directly from the 502 interface.
Looks like the Program Version hasn't been updated on your HT502 to 1.0.1.21, rest of them firmware is part of version 1.0.1.21. Would recommend to open a support ticket to work with them to get it upgraded to 1.0.1.21.