IMPROVE SOUND QUALITY IN A89

1)*#*#3646633#*#*
2)A window will open..it is the Engineer
mode of the rom...now go to audio...dont
touch others..
3)Go to normal mode and set Value is
0-255 as 255 and then set the value in Max
Vol 0-160 as 160
4)Return to previous screen and go to
Headset Mode...set there also 255 and 160
just like in the last step
5)Then Its over...now exit from there... Now
Download Walkman Link Below .. Now Go To
Settings-Select Clear Audio+ ..Over
now put up your headphone and listen to some
songs and enjoy ...:)

Thanks to Himadri..