Samsung Galaxy S S3 cuffie volume basso telefonata

 - call *#*#197328640#*#* (star - hash - star - hash - 19732864 - hash - star - hash - star) to open the service mode menu.

 - choose option [5] AUDIO

 - choose option [1] (VOICE CALL)

 - choose option [2] HEADSET

 - choose option [1] Volume

 - choose option [1] SRC Speech RX Volume

 - choose option [5] 5_lvl : (the current setting - note this in case you wish to switch back)

 - press the menu button and choose "Key Input"

 - enter a value between 0 and 100, with "100" being the loudest, then press "OK"

 - press the menu button and select back to save - do not use the right side "back" key or you will quit out of the settings.