Fitbit Charge 4 major update adds Dynamic GPS, Smart Wake alarms

If you've bought yourself Fitbit's most recent fitness tracker, the Charge 4, you're now eligible for an update that will add a lot of important features that were lacking from the original software. First and foremost, the update brings a couple of GPS updates, but there are other major improvements included too (via ).

The most important addition to the software is a new feature called Dynamic GPS mode. It will let the to use your phone's GPS (if it's near) to capture data like your route, pace, and other important data. You can manually enable this mode if you want to save some battery ...