Nuvi 37X0 Firmware 4.20

[BAVC10]

Just released from Garmin via webupdater

Changes from version 4.10 to version 4.20:
Fixed an error that caused Junction View to show up only once during a route.
Fixed an error that caused the device to crash at random times.

Changes from version 4.00 to version 4.10:
Added split-screen Junction View.
Added Greek voice support.
Made several map-drawing improvements.
Improved calculation speed for long routes.
Fixed several navigation issues.
Fixed several Junction View issues.
Fixed a Bluetooth error that caused the navigation voice to remain audible when the unit was muted.
Fixed a Trip Planner error.
Reduced the time to display the keyboard for Address searches.
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DriveLuxe 51 LMT D - Firmware 6.70
Previously owned: DriveLuxe 50 LMT-D, NuviCam LMT-D, Nuvi 3598 LMT-D, Nuvi 3490LMT, 3790T, 1690, 765, 760, 660, 610, 360, 310, 300 and Streetpilot i3

[G300PBV]

Even with 4.20 my device still crashes at random intervals.

[BAVC10]

May be worth sending your 37X0 back to Garmin - hopefully still under warranty and explain the issues. There is a diagnostic screen (which you can access from View Map, press speed then press and hold large speed dial for 6 or 7 seconds to access diagnostics page - shutdown causes should be 2nd in the list) which may help them (ring to get an RMA number).

I have covered many 10,000s of miles with my 3790 and have only experienced 1 random shut down, a few screen freezes and a few too many random "re-calculating" but all in all this is the most stable Garmin I have owned. I use 3.90 software as that works best for me.
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DriveLuxe 51 LMT D - Firmware 6.70
Previously owned: DriveLuxe 50 LMT-D, NuviCam LMT-D, Nuvi 3598 LMT-D, Nuvi 3490LMT, 3790T, 1690, 765, 760, 660, 610, 360, 310, 300 and Streetpilot i3

[G300PBV]

Thanks for the information. I did as you suggested and was appaled to find 56 shutdown causes; mostly Data Abort and RTL Traps.
Sadly, my Nuvi is out of warranty and indeed, this is the second unit I've had of this model. It's particularly galling because, should I wish to upgrade to a newer model, I can't in all conscience, sell it on to someone else, knowing that it crashes so often.
I am using software version 4.30. Is it possible or desirable to wipe the unit and then reload software and maps? and do you think this would make a difference?

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