.GCD file is the file Garmin sends to update firmware in nuvi.
In the first post of this thread you can find the latest (5.80), with official and a mirrored link.
13xx / 14xx software uodate page
Code:
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some instructions to get the file and update without webupdater here
[Only registered and activated users can see links. ]
[Only registered and activated users can see links. ]
If you use .GCD to update your unit ,remember to remove old .gcd from the unit internal memory