Check audio settings
Check the volume settings for ring tones and notifications and adjust as necessary. You can also increase the default volume for calls. The higher the volume percentage, the louder the volume. To change the default volume for calls, complete the following steps:
For BlackBerry Device Software 4.5 to 5.0
For BlackBerry Device Software 6.0
Test any accessories
If you were using an accessory when you experienced the audio issue, remove the accessory, and then test the BlackBerry smartphone volume settings. Accessories might include one of the following:
If the issue occurs only when using an accessory, the issue might be with the accessory and not the BlackBerry smartphone. If the accessory is not an approved BlackBerry accessory, contact the manufacturer for further technical support.
Perform a hard reset
A hard reset is similar to restarting a computer that stops responding. A hard reset closes all running BlackBerry applications, restarts the BlackBerry smartphone operating system, and restarts the hardware components of the BlackBerry smartphone, including the wireless transceiver.
Note: A hard reset does not delete any settings or data on the BlackBerry smartphone.
To perform a hard reset, complete the following steps:
Note: If the issue returns after performing a hard reset, then contact technical support for further investigation.
Update the BlackBerry Device Software
You can download the latest version of Blackberry Device Software from www.blackberry.com/update. Follow the instructions on the screen to download the latest version currently available from your wireless service provider.
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