Amazfit has officially confirmed that the rugged T-Rex 3 smartwatch, launched in 2024, will be upgraded to Zepp OS 5.0 in the near future. This will make the T-Rex 3 the sixth device from the brand to receive the company’s latest smartwatch operating system. While the announcement has excited fans of the outdoor-oriented wearable, the exact rollout date and the full list of features remain under wraps.
Quick Summary Table
Item |
Details |
|---|---|
Device |
Amazfit T-Rex 3 |
Current OS Version |
Zepp OS 4.5 (software version 3.9.4.4) |
Next OS Version |
Zepp OS 5.0 |
Rollout Status |
Confirmed, arriving “soon,” no exact date |
Likely Features |
Jet Lag Manager, adjustable font sizes, Zepp Flow 2.0 AI assistant |
Possible Features |
Golf app (uncertain), BioCharge (in development) |
Other OS 5 Capabilities |
Glove mode, magnifier tool, advanced running metrics, FLAC playback |
Official Update Check |
Zepp App > Profile > Amazfit T-Rex 3 > System Update |
Official Support Link |
Current Software Status
As of mid-July 2025, the Amazfit T-Rex 3 runs software version 3.9.4.4 under Zepp OS 4.5. That update introduced:
-
HYROX Training mode with workout formats such as AMRAP, TABATA, and EMOM
-
Improved zoom functionality for better map navigation
-
Heading tracking to keep your route orientation aligned automatically
-
Updates to the Zepp Coach interface
-
Night-time weather display support
These features have enhanced the T-Rex 3’s usability, but they still fall short of the performance and customization promised by Zepp OS 5.0.
Overview of Zepp OS 5.0 Features
Zepp OS 5.0, first seen on the Amazfit Balance 2, brings several new tools and improvements. While not all of them are guaranteed for the T-Rex 3, the core OS update includes:
-
Jet Lag Manager – Designed for frequent travelers, this tool helps you adapt to new time zones more easily.
-
Adjustable Font Sizes – Users can change font size to improve readability.
-
Zepp Flow 2.0 – The brand’s upgraded AI assistant, offering smarter voice interactions and guidance.
-
Golf App – Provides golfing performance tracking, course data, and shot metrics (availability for T-Rex 3 is uncertain).
-
BioCharge – An advanced energy-level tracking system currently exclusive to the Amazfit Helio Strap, with possible future smartwatch integration.
Additional OS 5 features seen on other models include glove mode, magnifier tool, advanced running metrics like vertical oscillation, FLAC audio playback, and upcoming scuba diving activity tracking.
Feature Availability for T-Rex 3
Golf App: Uncertain Rollout
A Reddit discussion between T-Rex 3 owners and an Amazfit representative revealed that the Golf app may not be available when OS 5 lands on this model. Even on other devices like the Balance 2, the app has been removed in some regions. The decision appears to depend on regional licensing and product positioning.
BioCharge: Still in Development
BioCharge, which calculates energy reserves based on activity, rest, and other health metrics, is still being optimized for smartwatch use. Although it could eventually appear on the T-Rex 3, it is unlikely to be part of the first OS 5.0 update.
Release Date
At present, Amazfit has only said the Zepp OS 5.0 rollout for the T-Rex 3 will happen “soon.” No exact date or timeframe has been provided, and as with other Amazfit devices, release schedules may vary by region.
Potential Benefits of the Upgrade
If the T-Rex 3 receives most of Zepp OS 5’s features, users can expect:
-
Better travel assistance via Jet Lag Manager
-
Improved readability with adjustable fonts
-
Smarter voice commands through Zepp Flow 2.0
-
Expanded fitness metrics for advanced athletes
-
Enhanced user accessibility in challenging environments
Things to Keep in Mind
-
Feature Variation: Some features, like the Golf app, may be omitted in certain markets.
-
Phased Rollout: Updates may not reach all devices at once, even in the same country.
-
Hardware Limitations: Some OS 5 functions could be reserved for newer models with different sensors.
FAQs
Q1: When will Zepp OS 5.0 arrive on the T-Rex 3?
A. Amazfit has not released a date. The update is confirmed but without a fixed schedule.
Q2: Will the Golf app be included?
A. Not necessarily. It may be excluded depending on the region and device policy.
Q3: Is BioCharge coming to the T-Rex 3?
A. Possibly in a future update, but it’s not confirmed for the initial OS 5 rollout.
Q4: How do I check for updates?
A. Open the Zepp app, go to Profile > Amazfit T-Rex 3 > System Update.
Q5: What other improvements can we expect?
A. Besides the core OS features, future updates might bring enhanced sports tracking, accessibility tools, and broader activity recognition.
For More Information Click HERE