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Old 06-01-2016, 12:08 AM
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Update 2013+ 430N

Just picked up a 2014 JKU. The radio and maps have never been updated as far as I can tell. I have read where you can downgrade the FW then update the maps and then upgrade the FW. But, what I understand is that is only for pre 2013 430N devices. So, how do we date 2013+ units? Maybe I missed it so I apologize ahead of time...

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Old 06-01-2016, 08:38 PM
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Re: Update 2013+ 430N

The pre-2013 directions will most likely NOT work for you radio unless by some quirk you have a late 2012 radio...

For 2013+ radios you need release v50.01.01.
This updates the Garmin software to v5.
Or you can download the Garmin v5 software independently and install it via a USB drive if I remember correctly.

For pre-2013 radios the v33.01.23 software updates the Garmin software to v3 if I remember correctly.

For 2013+ radios you need to add the updated maps as a 'supplemental' map.l

To load as a supplemental, the filename needs to be gmapsupp.img in the Garmin folder.

Search the radio forum for more info, there's an entire thread about the update process.
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