I am not sure what to do here. I have a Nuvi 1250 and my Mal/Sg map 2010 is out dated.
I have downloaded the above type 3. and run it.
do i plug my unit to my computer as Garmin installer request?
it says it will overide the one in the unit. i back out and didn't proceed
cos was afraid it would not work and crash the unit.
I totally have no experience in this. Thank you.
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