Polar just made structured training easier with a major (free) software upgrade – and it works on older smartwatches!
That means no more scribbling down intervals or trying to remember your heart rate zones mid-run – your triathlon watch will ...
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Polar’s top smartwatches just got some useful new features via a free update — here are the 5 key upgrades
To update your watch, sync it with the Polar Flow app and click update when the notification pops up. It took about 15 minutes for my Polar Vantage V3 to update. Along with the usual vague ‘bug ...