Thread: Transform a Nuvi 37xx in a Nuvi 34xx for dummies

Originally Posted by fringe

The idea of backing up NV was not introduced until after I had converted 3790 to 3490. I do NOT have the 37xx or 34xx problem. Still shows 3790. Is it worth doing NV backup now, while still 3490? I don't think I would convert back unless selling unit.

For sure it worth to make a backup. Always it worth. For 3490 it's not so important, but for 3790 it's essential in case of damaged NV content. By making backup you will lose nothing.