I did the 2.5 update. It looks like it has a lot of improvements in it.

One thing I find interesting is now I can keep PDF files on a chip in the unit, so I can read the owners manual so I can find all the bells and whistles on the unit, or keep other information that I may want to be able to access available. Maybe keep personal fishing data on it so I can find it while I am fishing, instead of just at home.

There is an update for WIFI connections to connect to a phone, and HD scan files are available. Also the ability to shade depth ranges on the chart maps.

Anyone else have any pros or cons on the update?