I have an issue, when I shutdown the phone, it gives a custom sound. I want to remove it. The phone is LG G3 (Rooted).
I tried to delete the sound using root explorer.
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To mute them, Simply do the Following :
In System > Sound and Display > System volume you can set it, unfortunately the power on/off sound is also tied to the touch feedback sound.
You can also use Silent Boot.
Note:Disable annoying startup sounds! Silent Boot mutes your phone on shutdown to keep it silent on boot and restores previous volume settings after startup is complete. Please note: This workaround does not apply to all phones
Lastly, Here the one which I followed :
1) First off all download the Root browser from play store.
2) Open it, the app will ask you to install some additional data, don’t cancel it – otherwise the app may not work properly.
3) Now when the additional download complete, search for the System folder & open it, followed by Media or sound folder.
4) Here you will get two files namely PowerOn.mp3 & PowerOff.mp3
5) So long press the PowerON.mp3 file > choose Rename > rename the file to PowerON.mp3.bak. Same with the PowerOff.mp3 file, rename it to PowerOff.mp3.bak.
That’s it, now reboot your phone and there should be no shut down and start up sound.
So if you’re happy with permanently turning off the sound, then your steps end here. You can leave this guide now. But if you want to replace the default android boot sound with any mild music then follow this steps.
6) Now download the soft sound which you would like to set as boot sound.
7) Copy that to System / Media folder & rename it to PowerON.mp3 & power Off.mp3
8) Now long press on new sound file, select permission from popup.
9) Tick all the boxes that appears after selecting permission, then press OK
10) Now every time your reboot your phone you will be welcomed with your new boot sound.
Note :- Make sure to keep the new boot sound file length with in 10 sec. Otherwise you will feel double irritating.