1. First, open the watch on the mobile phone (this application comes with Apple's mobile phone system), as shown below.

2. Then, in the opened page, find and click the matching observation option, as shown in the figure below.

3. Then, in the page that opens, click to pair the new watch (pair again), as shown in the figure below.

4. After the pairing is completed, click to open the fitness record on the mobile phone, as shown in the figure below.

5. Finally, on the opened software page, check the fitness record data, as shown in the figure below.