Montana 7x0 Firmware 24.50

Discussion related to the Garmin Montana 7x0 series GPSr
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hmpf
Posts: 3
Joined: Tue Apr 11, 2023 5:29 pm

Montana 7x0 Firmware 24.50

Unread post by hmpf »

Montana 7x0 Firmware Update 24.50 released 10MAR26.

GPS: 2.90
Display: 85.07
Camera: 0.20
CIQ: 3.2.4

Change Log:
  • Fixed scanning lines on Trail maps in OM+
  • Fixed issues related to measure distance on the map

This update is being released in stages via Garmin Express and OTA, and should be available to everyone soon.

Please report your observations here after installing and testing!


Original Post
My 700i just updated to 24.50.
Does anyone has the changelog for this version?
Painterman
Posts: 3
Joined: Wed Mar 18, 2026 1:26 pm

Re: Montana 7x0 Firmware 24.50

Unread post by Painterman »

Hi
I have a montana 700 and it got updated 24.50 over the weekend and now the pre loaded SD card with the full coverage of the UK will no longer display, the unit can see the SD card and gives the list of maps but will not display them. Tried resetting it with sd in and out made no difference. I have used the online chat with Garmin and they do know about the problem and are looking in to it and they say will do another update to sort it and unable to say when it will be. If could find the previous firmware I would try to install it but I don't know where to look for it. At the moment I have a very door stop.
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GPSrChive
Site Admin
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Joined: Fri Jan 20, 2017 11:29 pm

Re: Montana 7x0 Firmware 24.50

Unread post by GPSrChive »

Pleaae check the 'Announcement' at the very beginning of the Montana 7x0 forum.
Visit GPSrChive.com - a premier independent GPS information resource!
Painterman
Posts: 3
Joined: Wed Mar 18, 2026 1:26 pm

Re: Montana 7x0 Firmware 24.50

Unread post by Painterman »

Used an older firmware which has sorted the problem all maps are showing again, so glad this forum keeps old firmware its a life saver.
JungleJim
Posts: 518
Joined: Sat Mar 05, 2022 3:45 pm
Location: Netherlands

Re: Montana 7x0 Firmware 24.50

Unread post by JungleJim »

For what it's worth, this seems to be an issue with the recent 9.38 update on the GPSMAP 67 series as well. On Facebook groups there are multiple reports of TOPO GB PRO maps not working correctly anymore. Unclear whether it also applies to 3rd party OSM-based maps.
Current: GPSMAP H1, inReach Mini 2 - Previous: GPSMAP 67, inReach Messenger, GPSMAP 66sr, Oregon 700, Dakota 20, Edge 1040, Edge 1030 Plus, Edge 1030, Edge 520 Plus, Edge 520
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