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How does Apple 4 set the ringtone?

Tools/materials: IPhone4 mobile phone.

1. First, click Settings on the phone desktop.

2. Then click the sound.

3. Then adjust the bell size according to your own needs.

4. Then click on the ringtone.

Finally, just tick the ringtone you want. After this operation is completed, the ringtone of Apple 4 mobile phone is set successfully.