sintax Posted July 19, 2017 Report Share Posted July 19, 2017 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! Quote Link to post Share on other sites
brentster Posted July 25, 2017 Report Share Posted July 25, 2017 I upgraded mine a week ago at install.. radio was stock. No backup; No issues.. took about 10 minutes start to finish. Quote Link to post Share on other sites
sintax Posted July 27, 2017 Author Report Share Posted July 27, 2017 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 ? Quote Link to post Share on other sites
josney Posted July 27, 2017 Report Share Posted July 27, 2017 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? Quote Link to post Share on other sites
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