Turn on event sounds
Event sounds alert you when you turn on or turn off your BlackBerry® device, when the battery power level is full or low, and
when you connect or disconnect a USB cable or accessory to or from your device.
1. On the Home screen or in a folder, click the Options icon.
Ring tones, sounds, and alerts
2. Click Accessibility.
3. Select the Event Sounds check box.
4. Press the
key > Save.