Boost Speaker/Headphone Volume of Any Android Device

The reason Android is prospering over other mobile operating systems is simple to understand; it offers a lot of flexibility. While a lot of people prefer using Android as it is out of the box, there are people who are always pushing their devices to limits just in order to have the best possible performance.

Today, we are going to look at a case that has been brought up time and again. For those who don’t know, smartphone manufacturers ship their phones with some tweaks. For instance, the audio output of your smartphone is always toned down for safety. While a regular consumer may not pay much attention to this, people who prefer music on their smartphone can be despair because of this.

Luckily, the tweaks made by the manufacturers aren’t hard to reverse engineer at all. After all, the stuff that has been tinkered with is already present in the device, all you need to do is make some changes in the right values and you can have the accurate audio output your phone is designed to give. If you are willing to increase the audio output of your Android device, simply follow the guide below.

Note: The process has been tested on LG G4 (Intl.) and Sony Xperia Z2. It should work on other Android devices as well but we do not take any responsibility for the damage that your device may face. It is advised to make a backup of the original file. Your phone must also be rooted.

Boost Speaker/Headphone Volume of Any Android Device

  1. Download Root Explorer from Google Play Store > Download.
  2. Download and install 920 Text Editor on your device > Download.
  3. Open the Root Explorer and grant the root access if prompted.
  4. Scroll down and go to System > etc.
  5. Look for either of the files “mixer_paths.xml/mixer_paths_qcwcn.xml.”
  6. Long press the file and then choose copy.
  7. From within the Root Explorer, copy it to your phone’s internal storage.
  8. Now open 920 Text Editor and choose the file you copied in the storage.
  9. Once the file has opened, you need to look for the values mentioned below and make changes to them accordingly.
    29  |   <ctl name="RX1 Digital Volume" value="70" />
    30  |   <ctl name="RX2 Digital Volume" value="70" />
    
    783 |        <ctl name="RX3 Digital Volume" value="75" />
    784 |        <ctl name="RX4 Digital Volume" value="75" />
    789 |        <ctl name="SPK Amp Volume" value="5" />
    
    864 |        <ctl name="RX1 Digital Volume" value="75" />
    865 |        <ctl name="RX2 Digital Volume" value="75" />
    1001 |        <ctl name="HPHL Volume" value="18" />
    1002 |        <ctl name="HPHR Volume" value="18" />
    1003 |        <ctl name="RX1 Digital Volume" value="64" />
    1004 |        <ctl name="RX2 Digital Volume" value="64" />
    1007 |        <ctl name="RX3 Digital Volume" value="65" />
    1008 |        <ctl name="RX4 Digital Volume" value="65" />
    
  10. Once you have made the change, save the file.
  11. Go back to Root Explorer and open the folder where you copied the file.
  12. Long press the file and choose “Permissions”.
  13. Now you have to keep the permissions as they were in the etc folder. The permissions should be r-w-r-r. Under the Read heading, all 3 should be ticked. Under the Write heading, only the first one should be ticked, and under the Execute heading, none should be ticked.
  14. Save the permissions.
  15. Long press the file again and choose “Copy”.
  16. Copy the file to system > etc and overwrite if asked.
  17. Once done, reboot your device.

That’s all, folks. Although a bit lengthy, this guide will help you boos the volume of your Android device. In case you have any questions, feel free to let us know.

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