Why can't Yao Jiankang watch be connected?

The system version is incompatible.

The solution is as follows:

1. Enter sports health. On the homepage interface, click the four points in the upper right corner and click Add Device. 2. In the open interface of all devices, select the device to be connected, and click the watch on it. 3. In the open watch, select the corresponding watch series. 4. Then open the pairing interface and click Start Pairing (the watch must not be too far away from the phone).

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