Thread: Nuvi 3790 lost bluetooth and voice command

No, download this file :

Code:

Please Login or Register to see the links

copy it in a Garmin folder in sd. (use a card reader)
attach usb your unit and correct these fields in your device.xlm to 3790 and 410
<Model>
<PartNumber>006-B1101-00</PartNumber>
<SoftwareVersion>430</SoftwareVersion>
<Description>nüvi 37xx</Description>
</Model>
safely unplug it from pc, insert your sd with the new fw and restart it,
let it update the fw, dont touch it till it hasnt finished.