Overview

• The July 28 firmware update is available through the Fitbit mobile app for Charge 6, Versa 4, Sense 2, Inspire 3.
• Charge 6 gains three new watch faces—Momentum, Geometric, Axira—designed to display key fitness metrics at a glance.
• Momentum consolidates time, date, steps, distance, calories burned, Active Zone Minutes, heart rate into a single glanceable view.
• Geometric delivers a large two-line digital clock paired with heart-rate and step counters; Axira offers an analog-style dial with day, date, live heart-rate readouts.
• Real-time heart-rate streaming extends to Peloton, iFit, Concept2, Tonal, Hydrow, Echelon, Strava-enabled machines; Garmin, Life Fitness, TechnoGym remain unsupported.