I am never successful in doing factory reset on Garmin 3597 by holding the bottom right corner while booting the device. But I have found another method to reset it.
I always end up going into Developer mode and then erasing User Data. It does the same thing. I will appreciate your feedback.
Erasing User Data from the Diagnostic Page is also available in many other newer Nuvi models, including my 3790.
For anyone that doesn't know how to access the Diagnostic Page:
- from the map screen press the speed icon
- on the "speedo" screen press the compass heading indicator within the speedometer for 5+ seconds
- the Diagnostics Screen will open and "Clear all user data" is the first entry on the page.
- tap the entry and tap Yes to confirm you want to erase all your user data.
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