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[GUIDE] Headphone Speaker Volume Booster mod

18th July 2014, 05:28 AM   |  #1  
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Headphone and Speaker Volume Boost mod for the LG G3
for those who feel that stock volume is not loud enough

Requirement
1. Root
2. File Manager with Root Access
3. Text Editor

GUIDE
//IMPORTANT mixer_paths_qcwcn.xml (for D855 and Verizon) or mixer_paths.xml (for D851)
//change mixer_paths_qcwcn.xml on this guide to mixer_paths.xml if you are using D851


1. open file manager, go to /system/etc
2. backup your original mixer_paths_qcwcn.xml (D855) or mixer_paths.xml (D851)
(copy to sdcard, rename to mixer_paths_qcwcn2.xml, etc, etc)
3. open mixer_paths_qcwcn.xml (D855) or mixer_paths.xml (D851)
4. change this green value to your liking
Code:
29  |   <ctl name="RX1 Digital Volume" value="65" />
30  |   <ctl name="RX2 Digital Volume" value="65" />


779 |    <path name="speaker">
780 |        <ctl name="SLIM RX1 MUX" value="AIF1_PB" />
781 |        <ctl name="SLIM_0_RX Channels" value="One" />
782 |        <ctl name="RX3 MIX1 INP1" value="RX1" />
783 |        <ctl name="RX3 Digital Volume" value="65" />
784 |        <ctl name="RX4 Digital Volume" value="65" />
785 |        <ctl name="RDAC5 MUX" value="DEM3_INV" />
786 |        <ctl name="LINEOUT1 Volume" value="22" />
787 |        <ctl name="LINEOUT3 Volume" value="22" />
788 |        <ctl name="RX3 HPF cut off" value="MIN_3DB_150Hz" />
789 |        <ctl name="SPK Amp Volume" value="3" />
790 |    </path>


854 |    <path name="headphones">
855 |        <ctl name="SLIM RX1 MUX" value="AIF1_PB" />
856 |        <ctl name="SLIM RX2 MUX" value="AIF1_PB" />
857 |        <ctl name="SLIM_0_RX Channels" value="Two" />
858 |        <ctl name="RX1 MIX1 INP1" value="RX1" />
859 |        <ctl name="RX2 MIX1 INP1" value="RX2" />
860 |        <ctl name="CLASS_H_DSM MUX" value="DSM_HPHL_RX1" />
861 |        <ctl name="HPHL DAC Switch" value="1" />
862 |        <ctl name="HPHL Volume" value="20" />
863 |        <ctl name="HPHR Volume" value="20" />
864 |        <ctl name="RX1 Digital Volume" value="65" />
865 |        <ctl name="RX2 Digital Volume" value="65" />
866 |        <ctl name="COMP1 Switch" value="1" />
867 |    </path>


998  |    <path name="speaker-and-headphones">
999  |        <path name="headphones" />
1000 |        <ctl name="COMP1 Switch" value="0" />
1001 |        <ctl name="HPHL Volume" value="15" />
1002 |        <ctl name="HPHR Volume" value="15" />
1003 |        <ctl name="RX1 Digital Volume" value="58" />
1004 |        <ctl name="RX2 Digital Volume" value="58" />
1005 |        <ctl name="RX3 MIX1 INP1" value="RX1" />
1006 |        <ctl name="RX3 MIX1 INP2" value="RX2" />
1007 |        <ctl name="RX3 Digital Volume" value="65" />
1008 |        <ctl name="RX4 Digital Volume" value="65" />
1009 |        <ctl name="RDAC5 MUX" value="DEM3_INV" />
1010 |        <ctl name="LINEOUT1 Volume" value="20" />
1011 |        <ctl name="LINEOUT3 Volume" value="20" />
1012 |        <ctl name="RX3 HPF cut off" value="MIN_3DB_150Hz" />
1013 |    </path>
5. save it
6. fix the permission to rw-r-r or 644 (chmod 644 mixer_paths_qcwcn.xml)

Done...


Disclaimer:
DO NOT USE additional volume boosting tweaks/applications with this mod.
Always check the volume level before playing music, I will not be held responsible for damaged speakers or hearing impairment!
Last edited by spiderio; 30th July 2014 at 01:53 PM. Reason: wrong file on the previous guide
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18th July 2014, 08:54 AM   |  #2  
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@spiderio
Does it causes any disortions to the sound if you increase the volume or the sound quality remains the same?
Last edited by czechu01; 18th July 2014 at 09:02 AM.
18th July 2014, 09:00 AM   |  #3  
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Quote:
Originally Posted by czechu01

Does it causes any disortions to the sound if you increase the volume or the sound quality remains the same?

please don't quote the OP
as long as the volume value is not higher than 93
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18th July 2014, 09:22 AM   |  #4  
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i have already tried this but it had no effect!
there is my "old" thread: http://forum.xda-developers.com/lg-g...ouder-t2812892
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18th July 2014, 11:13 AM   |  #5  
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Quote:
Originally Posted by spiderio

please don't quote the OP
as long as the volume value is not higher than 93

What values are you personally using for each lines?
18th July 2014, 11:18 AM   |  #6  
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I've felt like I need more volume from the speakers, so thanks!

I'm having issues with opening the mixer_paths with root explorer, however - I cannot open the entire file because it says it's too big. I'm also unable to find the file through the file manager that comes stock with the phone.
18th July 2014, 11:50 AM   |  #7  
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Quote:
Originally Posted by AhsanU

I've felt like I need more volume from the speakers, so thanks!

I'm having issues with opening the mixer_paths with root explorer, however - I cannot open the entire file because it says it's too big. I'm also unable to find the file through the file manager that comes stock with the phone.

use 920 Text Editor
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18th July 2014, 01:06 PM   |  #8  
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Anyway this can be made to a flashable zip?
18th July 2014, 04:04 PM   |  #9  
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This doesn't seem to work at all.

Sent from my LG-D850 using XDA Premium 4 mobile app
18th July 2014, 04:04 PM   |  #10  
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Quote:
Originally Posted by paratox

i have already tried this but it had no effect!
there is my "old" thread: http://forum.xda-developers.com/lg-g...ouder-t2812892

It has effect on my g3 D855 10A.
I write the wrong file
The correct one should be mixer_patah_qcwcn.xml

Sorry I got excited and write the wrong file name

Try it again
Set the speaker to 90 to try the effects
Last edited by spiderio; 18th July 2014 at 04:16 PM.

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g3 volume, g3 volume booster, lg g3 audio, lg g3 mod
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