Where can I set the alarm clock of Apple's mobile phone?

The ringtone of Apple's mobile phone alarm clock is set in the "ringtone" of editing alarm clock.

Set the alarm clock: Apple mobile phone turns on the "clock"; 2. Click the plus sign in the upper right corner of the alarm clock; 3. Set the required alarm clock time and click "Ring"; 4. Choose your favorite alarm clock; 5. Click "Back" and then click "Save".

Modify the alarm clock: 1, and click "Edit" in the upper left corner of the alarm clock; 2. Click to open the alarm clock whose ringtone needs to be modified; 3. Click "ringtone"; 4. Choose your favorite alarm clock; 5. Click "Back" in the upper left corner, and then click "Save" in the upper right corner.

Set the volume on the iPhone. If the volume of your alarm clock is too low or too high, please press the volume up or down button to adjust it. You can also go to settings > sounds and touches, and then drag the slider under ringtone and reminder volume.