Zepp OS 4 It is now available to download in models Amazfit balance And Active, With support for the Amazfit T-Rex Ultra, Falcon, and Cheetah series coming later.
The main novelties focus on aspects such as improved Zepp Flow that uses the technology openai-gpt-4o To facilitate intelligent interactions in natural language. Users can control devices through voice commands, without the need for specific keywords or physical touch. This interface allows you to manage settings, reply to instant messages from Android applications such as WhatsApp (iOS will be supported in the near future), and initiate Bluetooth phone calls using your voice.
Zepp Flow on Zepp OS 4 can respond to the user in spoken English and German, and voice responses in French, Italian, Spanish, Japanese, Korean, and Portuguese will arrive in late July.
Improved Bluetooth and messaging integration
By incorporating advanced Bluetooth features, Zepp OS 4 enables integration with a wide range of peripherals. It’s possible to use Amazfit devices to control compatible devices such as Sonos speakers, Garmin cycling computers, and even GoPro and DJI action cameras.

Capabilities added
Zepp OS 4 also features an ecosystem of health and fitness-focused mini-apps. The update adds tools ranging from sports tracking assistance to specialized fitness tests. The Workout Extensions mini-app stands out, compatible with Zepp OS 3.5 devices such as the Cheetah series, Falcon, and T-Rex Ultra, which allows you to customize the watch interface during workouts according to your goals.
Growth data
Since its inception, Zepp Health has sold over 200 million units worldwide. The Zepp app offers nearly 300 downloadable applets with over 15 million downloads and over 5,700 watch faces with 72 million downloads.
By deeply integrating AI into Zepp OS 4, Zepp Health seeks personalized wellness solutions. From AI-powered sleep guidance in Zepp Aura to real-time fitness training in Zepp Coach.
Forecast

Amazfit Active and Amazfit Balance have received the update to Zepp OS 4. Since its premiere last fall, Amazfit Active has received 6 updates and with them more than 30 new functions. The price remains 129.99 euros. Amazfit Balance has received more features since its debut in September. In 10 months, as part of 6 updates, the smartwatch, which costs 249.90 euros, has added 50 new features