Key Takeaways
1. The Amazfit T-Rex 3 Pro smartwatch has received a software update to version 3.3.1.8, improving features since the last update in September 2025.
2. Enhancements include quicker route planning in the Terrain Map app and a refined altitude algorithm for Outdoor Cycling activities.
3. Users can now zoom in on images in the Notification Center by tapping them.
4. The Zepp Coach now includes battery level checks before workouts and displays battery percentage in the workout app.
5. The update is being rolled out gradually, and the watch is currently priced at $399.99 on Amazon.
The Amazfit T-Rex 3 Pro smartwatch has received a software update, now at version 3.3.1.8. This particular model had its last update in late September 2025, when it was upgraded to version 2.4.2.1. The previous update brought better connections with Intervals.icu and Training Peaks for users.
New Enhancements
With the latest software version 3.3.1.8, as mentioned on Reddit, users can enjoy improvements to the route planning feature within the Terrain Map app. The company states that this feature operates quicker now and has a better success rate. Additionally, the altitude algorithm for Outdoor Cycling activities has been refined for better precision. Users can also zoom in on images in the Notification Center just by tapping them.
Battery Improvements
The Zepp Coach has seen upgrades too, including a battery level check before workouts, alerting users if their battery is low. Another enhancement related to the battery is the display of the current battery percentage in the workout app. Users will now feel new vibration alerts when unlocking the watch during a workout. In addition, there are reportedly minor bug fixes and improvements to overall stability.
Phased Rollout
Software version 3.3.1.8 is being rolled out gradually to Amazfit T-Rex 3 Pro (currently priced at $399.99 on Amazon). It’s not clear when the update will be available to all users through the Zepp app.
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