Key Takeaways
1. The Amazfit Balance 2 smartwatch received a new software update (version 3.39.0.4) in early 2026, adding new features and improvements.
2. Key new features include Exercise Sound Cue, Route Planning tool, heart rate recording with Helio Strap during swimming, and easier audio source switching in the Music app.
3. Improvements in the update feature better workout vibrations, reduced system interference while diving, enhanced Zepp Coach training plans, and more detailed map displays.
4. The battery life of the Amazfit Balance 2 is reported to be more stable after the update.
5. The rollout of firmware version 3.39.0.4 will occur in phases, with installation available through the Zepp app once it reaches your area.
The Amazfit Balance 2 smartwatch is getting a new software update. The latest firmware, version 3.39.0.4, is the first release of 2026 for this wearable device, following the introduction of new Biocharge tools in the December 2025 update.
New Features Added
Zepp Health made the announcement on Discord, and users on Reddit have also shared the news. The update brings four new features to the Balance 2 smartwatch, which is currently priced at $249.99 on Amazon. One of the new features is the Exercise Sound Cue, which plays reminders through the watch’s speaker or connected headphones. Additionally, users can now plan routes directly on the watch or through the app with the new Route Planning tool. For those using the Helio Strap, it can now record heart rate data while swimming. Lastly, it’s easier to switch between third-party audio sources in the Music app.
Improvements Included
Firmware version 3.39.0.4 also provides several enhancements for Amazfit Balance 2 users. These enhancements include better vibrations during workouts, reduced system interference while diving, and an improved experience with the Zepp Coach training plan. Moreover, there are updates to the map display, adding more route information, and the battery life is reported to be more stable. The full change log can be seen in the image below.
Rollout Information
The rollout of firmware version 3.39.0.4 for the Amazfit Balance 2 is expected to occur in phases. It is uncertain when the update will be fully distributed. Once it is available in your area, you can start the installation process using the Zepp app.
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