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

Originally Posted by lolypop000

I change in reg41 decimal 3750 to 3790, result is, 37xx in garmin device.xml
Now i change hex string for 3750, we will se result tomorow.

Region 41 is protected by some CRCs. If you change something without knowledge you will probably have 34xx instead of 3790.
In general it's not a big problem because 34xx can have all the features as 3490 have.