https://gadgetsandwearables.com/2025/08/30/amazfit-helio-strap-recovery-heart-rate/
Amazfit Helio Strap update adds recovery heart rate & device reboot
Aug 30, 2025 - Zepp Health is rolling out firmware version 3.2.8.3 for the Amazfit Helio Strap. The update adds a recovery heart rate metric to workouts.
helio strapheart rateamazfitupdateadds