1. Cooperate with external temperature sensor, such as the external temperature sensor of Galaxy Watch Active2. Install the sensor on the charging base on the back of the watch.
2. Put the watch on your wrist and open the Samsung Health Application.
3. In the health application, click the Add Item button, and then select the Temperature option.
4. Gently press your finger on the temperature sensor and wait for a few seconds until the watch displays temperature data.
Please note that the temperature measurement function may be different due to the specific model, operating system version and other factors. If you encounter any problems, please refer to the product manual or contact Samsung customer service.