1, as shown in the figure, first find the clock on our mobile phone desktop and click.

2. As shown in the figure, then click Edit at the top left of the screen.

3. As shown in the figure, click the alarm clock to set the bell.

4. As shown in the figure, then click the bell.

5. As shown in the picture, then choose a song that we want to use as an alarm clock.

6. As shown in the figure, finally return to the previous interface and click Save.