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If it's an old CNNAM you have to remove it or the lady inside will get mixed up. Backup it first on pc.Originally Posted by solo_voyager
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6th July 2014, 10:59 PM #1Important User
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You have to navigate to get to the good.
Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600
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7th July 2014, 07:35 AM #2Member
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OK.
I had placed the new gmapprom.img file into the Garmin folder on the SD card, but had deleted the old gmapprom.img on the GPS.
The GPS said that there were no maps installed.
So, I put the old gmapprom.img back onto the GPS.
I told me that CNNAM 2010.10 was the issue installed.
I went looking and found that the new gmapprom.img had to be renamed to gmapsupp.img.
After doing so, the GPS said that CNNAM 2015.10 was the issue installed.
I just assumed the old gmapprom.img had to be installed also.
What you said makes sense.
So, I deleted the old gmapprom.img again.
The GPS still ID's the issue as CNNAM 2015.10.
I think she is up and running now.
And now, the lady in the GPS has up to date information to work with.
Thanks to all three of you for your help with getting this done.
M'Lady will be happy.
When she's happy my life is much easier.Last edited by solo_voyager; 7th July 2014 at 07:41 AM.
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21st July 2014, 08:47 AM #3Junior Member
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Hi there Originally Posted by solo_voyager
I have the same Nuvi 255W.Couple years ago I have tried to update the map but I have some issue with IMG file.I remember that the file was over 2GB and this model does not support it.My question is....if I update with the latest firmware can I use IMG fiels over 2GB in external SD Card?
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