Amazfit T-Rex 3 Pro Receives New Software Update with Battery & Route Planning Improvements
Amazfit is rolling out software update 3.3.1.8 for the T-Rex 3 Pro smartwatch, bringing enhancements to battery monitoring, route planning, and image notifications.
The update, reported by users on Reddit today, improves the Terrain Map app’s route planning feature, making it faster and more reliable, and optimizes the altitude algorithm for Outdoor Cycling activities. Users can now also enlarge images within the Notification Center simply by tapping on them. This update follows a previous release at the end of September, which focused on integrations with fitness platforms like Intervals.icu and Training Peaks.
Significant changes center around battery management, with Zepp Coach now checking battery levels before workouts and providing warnings if needed, as well as displaying the current battery percentage directly within the workout app. New vibration feedback has also been added when unlocking the watch during exercise. Smartwatches are increasingly relied upon for accurate fitness tracking, making battery life and reliable data crucial for users.
The software is currently rolling out in phases to Amazfit T-Rex 3 Pro owners (currently $399.99 at Amazon). For more information on Amazfit products and features, visit the official Amazfit website. The company has not yet announced a specific date for full availability via the Zepp app.
The Amazfit T-Rex 3 Pro smartwatch is being updated with software version 3.3.1.8. This model was last updated at the end of September 2025, when it received software version 2.4.2.1. In the earlier release, users gained improved integrations with Intervals.icu and Training Peaks.
With software version 3.3.1.8, reported on Reddit, users of the Amazfit T-Rex 3 Pro get enhancements for the route planning feature in the Terrain Map app. According to the company, it now works faster and has a higher success rate. The altitude algorithm for the Outdoor Cycling activity has been optimized for accuracy. Plus, users can now enlarge images in the Notification Center by tapping on them.
The Zepp Coach has been enhanced, with a battery level check before workouts, warning the user if necessary. Another battery-related improvement is the addition of the current battery percentage in the workout app. There is also new vibration feedback when you unlock the watch during a workout. On top of this, there are said to be minor bug fixes and stability improvements.
The software version 3.3.1.8 appears to be rolling out in phases to the Amazfit T-Rex 3 Pro (curr. $399.99 at Amazon). It is unclear when the release will be available via the Zepp app for all users.
I’ve been interested in technology for as long as I can remember. From a young age, I have loved gadgets and understanding how things work. Since graduating, I have worked for several technology companies across FinTech, AdTech and Robotics.
