Fitbit Alta HR depends on Bluetooth to sync with phone’s it’s connected with. While Bluetooth has evolved so much, problems would still occur every now and then but they’re not necessarily serious.

Setting up your new Fitbit – be it a new Versa, Inspire HR or Charge 3 – is the first thing you’ll do when you get it out of the box. It should all be fairly straightforward to achieve, whether you’re ...