Thread: How to modify nuvi firmware for supporting a new TTS voice.

@turbocc

Most iPhone Apps will also work on iPad. Use the install guide for Garmin StreetPilot Onboard for iPhone.
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and
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Code:

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@karaoke & @turbocc

Read more about additional files like TTS voices in the StreetPilot OnBoard tutorial.

Originally Posted by catymag

The program iExplorer (download version for Mac or PC here
[Only registered and activated users can see links. ]) to replace the file maps of the U.S.
Open iExplorer and turn your pc settings to show hidden files.



Go to the phone disk iPhone - Apps - USA - Garmin-nav.app - storage-usa -. System
and delete existing files there gmapprom.img gmap3d.img, then add your map files. You can also download the JCV file to iPhone - Apps - USA - Garmin-nav.app - storage-usa -. System - JCV

Voice prompts: iPhone - Apps - USA - Garmin-nav.app - storage-usa - Voice
add voice files.