Galaxy S2 "Increase the microphone for incoming calls and outgoing" (excuse me for the translation but i m italian).
settings:
Enter the numeric keypad of the phone the following command: * # * # 197328640 #*#*, A screen with the following items:
Service Mode
Click on the item
[5], then click AUDIO
[1] NB (Voice Call)
[3] and then on SPEAKER VOLUME
Enter the following values :
SPEAKER:
[1] SRC Speech RX Volume I put:
* Lvl 4: 95
* Lvl 5: 100
[4] DST TX Speech Volume I put: 98
TO ENTER THE VALUES ON PLUG VOICE YOU WANT CHANGE, BY CLICKING THE SOFT LEFT THAT IS ON THE DISPLAY AND THEN CLICK ON KEY INPUT.
AFTER ENTERING VALUES, RETURN BACK MORE 'TIMES TO RETURN TO THE VOICE HANDSET!
THE SAME APPLIES ARE FOR HANDSET AND HEADSET!
HANDSET:
[1] SRC Speech RX Volume I put:
Lvl 4: 90
Lvl 5: 100
HEADSET:
[1] SRC Speech RX Volume I put:
Lvl 4: 90
Lvl 5: 100
CLICK ON SOFT LEFT BUTTON THAT IS ON THE PHYSICAL AND PRESS "AND".
IN THIS WAY WE HAVE SAVED PERMANENTLY SETTING THE AUDIO CALL!
With these settings will have an increased audio for incoming calls and outgoing!
The values could increase beyond those I mentioned but it could distort the audio!
Make a test x to see your opinion what are the best settings if you want!
Note: each time you reboot the terminal the following settings are lost!
Find a way to save these settings in your rom and keep them permanently without losing on every reboot.
settings:
Enter the numeric keypad of the phone the following command: * # * # 197328640 #*#*, A screen with the following items:
Service Mode
Click on the item
[5], then click AUDIO
[1] NB (Voice Call)
[3] and then on SPEAKER VOLUME
Enter the following values :
SPEAKER:
[1] SRC Speech RX Volume I put:
* Lvl 4: 95
* Lvl 5: 100
[4] DST TX Speech Volume I put: 98
TO ENTER THE VALUES ON PLUG VOICE YOU WANT CHANGE, BY CLICKING THE SOFT LEFT THAT IS ON THE DISPLAY AND THEN CLICK ON KEY INPUT.
AFTER ENTERING VALUES, RETURN BACK MORE 'TIMES TO RETURN TO THE VOICE HANDSET!
THE SAME APPLIES ARE FOR HANDSET AND HEADSET!
HANDSET:
[1] SRC Speech RX Volume I put:
Lvl 4: 90
Lvl 5: 100
HEADSET:
[1] SRC Speech RX Volume I put:
Lvl 4: 90
Lvl 5: 100
CLICK ON SOFT LEFT BUTTON THAT IS ON THE PHYSICAL AND PRESS "AND".
IN THIS WAY WE HAVE SAVED PERMANENTLY SETTING THE AUDIO CALL!
With these settings will have an increased audio for incoming calls and outgoing!
The values could increase beyond those I mentioned but it could distort the audio!
Make a test x to see your opinion what are the best settings if you want!
Note: each time you reboot the terminal the following settings are lost!
Find a way to save these settings in your rom and keep them permanently without losing on every reboot.