From the main screen, press the MENU key, then tap "System settings."
Tap "Vibrate and ring." You will know it is selected when the checkmark is blue.
Note: The "Volume" option is not available when the phone is in silent mode.
Press and slide your finger left or right on the "Ringtone & notifications" bar to adjust the volume level.
When satisfied with the volume level, tap "OK."
To return to the main screen, press the HOME key.
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