Update firmware files

Discussion related to the Garmin GPSMAP 66s/st GPSr
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hgabert
Posts: 30
Joined: Mon Oct 28, 2019 10:10 pm

Update firmware files

Unread post by hgabert »

I'm a little confused about firmware files. I downloaded Garmin Express and it updated my Gpsmap 66st unit to software version 3.4, but the GPS software (chipset?) version stayed at 2.5, and did not update. I understand the newest GPS software is 2.7. Is there a second updater for the chipset?

I called Garmin support, and they told me not to worry (version 2.5 is just fine)- - if the chipset needs to be updated, that will be done automatically at the appropriate time.

Thanks for any insight.
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GPSrChive
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Joined: Fri Jan 20, 2017 11:29 pm

Re: Update firmware files

Unread post by GPSrChive »

Join the crowd... Most of us (if not all) do not understand this behavior.
g66
Posts: 135
Joined: Wed Jul 03, 2019 1:48 pm

Re: Update firmware files

Unread post by g66 »

Seems that garmin helpdesk prefers 2.5 to 2.7
2.7 can be loaded with webupdater.
hgabert
Posts: 30
Joined: Mon Oct 28, 2019 10:10 pm

Re: Update firmware files

Unread post by hgabert »

Thanks for the replies. I didn't know about webupdater.
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GPSrChive
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Re: Update firmware files

Unread post by GPSrChive »

hgabert wrote: Wed Oct 30, 2019 1:33 pm Thanks for the replies. I didn't know about webupdater.
WebUpdater is listed on the Software page but not on the Firmware page as it is not as capable as Garmin Express, and should not be solely relied on to manage your GPSMAP 66. Having said that, it has been added to the Firmware page as an additional update source.
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