Negative Positive
Title: Buggy Software
Review: I've had the Zumo 550 for just over a month now and during that time it has locked-up in the power off mode multiple times while in the cradle. The only way to get the unit to power back on is to remove and re-install the battery using a 2mm hex wrench (not included). The unit does have some nice features but its lack of dependability make it more toy than tool. If you're considering a purchase check out the ZumoForums online. There are multiple accounts of new Zumos with the same problem I had. Kudos to Amazon for shipping out a replacement (I had owned the unit a few days too long to qualify for a refund, which I would have preferred.) but my discussions with Garmin and others' experience doesn't make me hopeful that this will have been a good investment.
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