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4200 NEX F/W upgrade, any reason not to?

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Just put a new 4200 NEX in my truck, I was curious if there was any reason not do the F/W upgrade.

 

Also, should I back anything up on this unit? I was reading some threads about doing this on other units.... Its all stock at this time.

 

Thanks!

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I upgraded mine a week ago at install..  radio was stock.  No backup; No issues..  took about 10 minutes start to finish.

 

 

Did they fix the USB / SD card file sort issues ?

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I upgraded mine a week ago at install..  radio was stock.  No backup; No issues..  took about 10 minutes start to finish.

 

what F/W did you upgrade from/to?

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