Xiaomi's mobile phone has a built-in alarm.

Click the time on the phone's desktop.

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Click to open the time and alarm settings page. Click on the point in the upper right corner.

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Click Settings in the drop-down menu item.

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Here you will see that there is an option of default ringtone.

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Click Enter to select the previously selected ringtone.

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You can also click "Select Local Ringtone" here.

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Click on "Local Music" here.

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Just click here to choose a ringtone.

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