Codes to increase all volume levels on Omnia II. Just dial this
*#0002*28346# --->
Audio gain screen will pop up---->
click on music speaker----> then click again---->
Under output volume change the following
values: L1VL2 – 110; HPG7 – 1110; L3L7 – 10;
OVL7 – 00001001;
OVR7 - 00010010 --->
then click apply, a small screen will pop up, click ok on it----> once on the main screen again, you can apply the same values for all other areas like ringtone, force speaker, voice, speaker and once done, click on menu and exit. Note that these values will not be changed after the soft reset but they will go back to manufacture values after a hard reset. These are the default values to set everything like before: L1VL2 – 101; HPG7 – 1011; L3VL7 – 10; OVL7 – 00011000; OVR7 - 0001100