All inquiries regarding the AeroNav unit including Support, RMA, Warranty, must be direct to Bendix King. 
Phone number is 855-250-7027 option number 2
Email [email protected] 

Here is a list of unit part numbers that are supported by Bendix King

700-00179-700, 700-00179-710, 700-00179-800, 700-00179-810, 700-00182-700, 700-00182-701, 700-00182-710, 700-00182-711, 700-00182-720, 700-00182-721, 700-00182-730, 700-00182-731, 700-00182-800, 700-0018/2-801, 700-00182-810, 700-00182-811, 700-00182-820, 700-00182-821, 700-00182-830 or 700-00182-831

All pilot request for the DSF files to turn on WI-FI and Bluetooth must follow the instructions on the coupons that are found in the AreoNav shipping box.