Quote Originally Posted by docR View Post
Which JCV files are for nuvi 1xxx - D3084070A or D2504100A
If you sufficient free place on disk you can use D2504100A.JCV (full version). D3084070A.JCV is file for old device with limited free space and it does not contain all interchanges in comparison with D2504100A.JCV (depend of regions but in my I lack part of pictures).