Why does Apple's mobile phone ring?

1. Go to Settings > Sound and Touch.

2. In Ringtone and Vibration Mode, tap the sound you want to change.

3. Tap the ringtone or prompt to hear the effect and set it as a new sound.

Set ringtones or SMS ringtones for contacts:

1. Open the Contacts application and tap someone's name.

2. In the upper right corner of this contact's business card, tap Edit.

3. Tap Ringtone or SMS Ringtone, and then choose a new sound.

Buy ringtones from the iTunes Store:

1. Open the iTunes Store application.

2. Click "More".

3. Tap the bell.

Find the ringtone you want to buy, and then click the price.

5. Select an option to set the ringtone automatically. Or click Finish to decide later.

6. You may need to enter your own Apple ID password to complete the purchase.

Re-download ringtones purchased with your Apple ID:

1. Go to Settings > Sound and Touch.

2. In Ringtone and Vibration Mode, tap any ringtone.

3. Tap "Download all purchased ringtones". If you have downloaded all the purchased ringtones, or have not purchased any ringtones, you may not see this option.

Use a custom ringtone: If you create a custom ringtone in an application such as Library Band, you can sync it to iPhone, iPad or iPod touch using iTunes for Windows or Access on your Mac.

1. connect iPhone, iPad or iPod touch to your computer.

2. On the PC, open iTunes for Windows. On the Mac, open Access.

3. Drag and drop the ringtone to your device.

Learn more about how to use alert tones and ringtones on iPhone or iPad.

If you need any other help, please contact Apple Support.