Originally Posted by
WildFishExpeditions
No what I meant was to update to the 4.1 software which I think is the most current, and closer to the gen 2 software. From what I understand this fixes some problems and brings it closer to the gen 2 performance when it was first released. The gen 2 still has the bigger processor and hardware etc. No I dont believe you can upload the latest gen 2 software onto a gen 1, But a software upgrade will good. I love my HDS, I can see individual marlin 200m down.