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Old 04-14-2021, 11:14 AM
  #17  
airbrush
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Join Date: Jun 2009
Location: Vero Beach, FL
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Originally Posted by Dirichlet View Post
I don't believe the file downloaded from Simrad is zipped.
It's 145,590 KB and is a .upd file (see image at top of post).
You are correct, Sorry for the bad info. I'd still start with a blank slate, reformat the card and re-download the update, go straight to the left slot with the unit OFF, then power up. It should proceed to do the update without you having to do anything. I know somewhere I saw that they wanted a specific format but I can't find the reference. If the next try doesn't work, you might try with an XFAT and see if that works.