I think this problem is due a software restriction in newer automotive devices. Your map works well in a nuvi 500 (an auto/outdoor/marine "all round" device). it also works in a nuvi 1390 which is almost an identical device to your 1450 other than a smaller 4.3" screen. Now the bad news, in a nuvi 3597, the device latest i have on hand, your custom trails don't show even though "Gpx2img" is listed and checked in the map selection page, exactly as you described for your nuvi 65:

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It would take someone above my paygrade to modify the fw, even if that is in fact possible.

I guess your best course likely is to buy a cheap 2nd hand outdoor device, they will reliably display the topo features and your custom trails fully and be far more weather resistant and robust than any auto device when used on a snowmobile. Sorry i can't be of more help.

I want to use the unlock map in Garmin Overlander. Any idea?

B1ng0:

That’s a bummer. Thank you VERY much for all your help and effort in helping me.

Phil

It has Android OS not the traditional proprietary Garmin OS so AFAIK no one had been able to produce a fw patch for it.

I know that. but any method can use the unlock map???

Then my implication wasn't clear to you it seems. To use unlocked maps it must have it's firmware patched/modified, no other 'method' will work. Recent Linux based Garmin devices have the same problem as the Android ones, at this time fw patching only works for proprietary OS using the Universal Firmware Patcher.

Does the firmware patch for "DriveSmart 61 (2588) fw6.30" have to be on an sd card or can it be placed directly onto the garmin? I do not use the sd card slot as the memory on my Garmin still has storage space.

Hi.Whether someone has a firmware patch ECHOMAP 70S?An unlocked map VEU721L G2 Vision HD does not work at the moment.