If the call volume is too low, keep pressing the Volume Up key on the side during a call.
If the ringtone sound is too low, do one of the following:
- Increase the ring tone volume. You may either press the Volume Up key on the side when you are not making or taking a call, or go to Menu > Settings > Tones > Ring Volumes and increase the volume.
- From the same settings menu, select a different type of ringtone.