Frogman Posted May 31, 2013 Posted May 31, 2013 I own a Humminbird 597CI and I have recently purchased the Lakemaster Southeastern SD card. I put the card in and nothing happens. I run across some information on the internet about software updates for these units. I specifically go through all of the instuctions and attempt to update the unit using an SD card. No luck. I don't know if there is something I am missing or what. Has anyone had any issues with something similar? Quote
Super User Wayne P. Posted June 1, 2013 Super User Posted June 1, 2013 I don't have any software update problems--done it may times on several units. Describe the procedure you followed for the update. Quote
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