Anyone with custom maps have any problems using the new firmware update?

 

I have a Nuvi660 and there's a new firmware available for it and it says it fixes a problem with retail maps. Does anyone have any further info into what exactly this fixes? I'm a little concerned that it might effect my custom topo maps that I am using.

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Garmin Nuvi660 Magallen Triton500

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D0T-C0M wrote:

I have a Nuvi660 and there's a new firmware available for it and it says it fixes a problem with retail maps. Does anyone have any further info into what exactly this fixes?

It actually says it "Corrected issue with Retail Map Update compatibility".

My wild (and unsubstantiated!) guess, is that it makes the firmware o/p some data that the Update procedure checks for (and doesn't always find, at the moment). (A .SUM file, or an entry in GarminDevice.xml maybe?).

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