Here i update my TH-D72 step by step to the latest firmware.
Kenwood pages for download:
https://www.kenwood.com/i/products/info/amateur/vcp_e.html
https://www.kenwood.com/i/products/info/amateur/mcp4a_e.html
https://www.kenwood.com/i/products/info/amateur/th_d72/thd72_main_update_e.html
APRS optimal settings, thanks to W6GPS:
https://www.youtube.com/watch?v=r4IuACLGTqs
#kenwood #D72