right on h birds website. you have to register your unit, then it shows what updates are available. ive had mine for a year and upadted it twice. maybe takes all of 5 min to dl to the computer, put on a card, and update the graph.
I have a HB 937 can I put several updates on the same sd card then install into unit thanks for any replys
The most recent or newest update will have all of the previous changes to the unit included with it plus any new ones for that update. So, all you would need to download is the one update to bring you model up to “speed” so to speak.