Garmin gpsmap 66s firmware update problem

Discussion related to the Garmin GPSMAP 66s/st GPSr
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speedser
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Joined: Thu Aug 28, 2025 1:52 pm

Re: Garmin gpsmap 66s firmware update problem

Unread post by speedser »

Thanks for the help, I managed to update the navigator to firmware 10.70, expedition mode started working properly.
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GPSrChive
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Joined: Fri Jan 20, 2017 11:29 pm

Re: Garmin gpsmap 66s firmware update problem

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Which method finally worked for you?
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