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Deselect the map you are not using, better to remove the old files; if you have both in nuvi, it's obvious it cant work properly.
You must have only one CNA gmapprom.img along it own new gmapprom.unl and gmapprom.gma.
Old .gma and .unl, gmapprom related, will prevent your new map to be recognized.
Look at maps list in nuvi, under "Maps" if it sees the new map.
This can help [Only registered and activated users can see links. ]
read post n2 too
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21st August 2015, 04:37 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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21st August 2015, 04:43 PM #2VIP Master
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Would it be simpler to just use gimunlock to unlock the new img file instead of having the gma and unl files ?
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