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[HOWTO] Disable ALL camera sound AND possible fix for battery drain

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By kohiiou, Member on 14th May 2011, 07:11 PM
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HOWTO: Disable Camera Sound (completely silent)

Without deleting anything.

Edit: As pointed out by nickbarbs, after you have completed one of the below methods, the Camera sound is controlled via "System Sounds". If you turn up, down, or off the "System Sounds", the Camera sound would be changed respectively.

This means that you can now control the camera sound at will via volume control functions.

METHOD 1
1. Create a file called "local.prop" in /data/ if it doesn't exist. Example: "/data/local.prop"
2. Open the file "/data/local.prop"
3. add the line to the file:

Code:
ro.camera.sound.forced=0
4. Reboot and all sound in the camera app is completely silent.
5. To recover the sound, you can either delete the local.prop file or change the code to:

Code:
ro.camera.sound.forced=1
METHOD 2: ADB
1. unrar the attached file "local.prop.rar"
2. copy the "local.prop" file to your ADB folder
3. ADB push local.prop /data/local.prop
4. Reboot phone.
5. To restore sound, just delete local.prop and reboot

-----

POSSIBLE BATTERY DRAIN FIX

In addition, for those who are having huge battery drains from Android OS, I also had it. On original KDD firmware, no problem at all, but after updating to KE2 with KIES, I had it all afternoon. I did a hard reset, and the battery drain seemed to go away, but I can neither guarantee or give a 100% confirmation (considering the fact that the Android OS battery usage is based on %, so if I constantly use the phone, Display goes up to 54% and Android OS drops to 10%)

Did a hard reboot by the following method:
WARNING: Will delete apps and all data; phone will boot like new phone.
1. Make sure phone is root first if you want root, and both SU and BUSYBOX installed
2. Shut down phone
3. Hold on the "UP" and "HOME" key, and press the "POWER" button for 2-3 seconds to turn on the phone (make sure to release the "POWER" key after the phone turns on, but continue holding "UP" and "HOME")
4. Select "wipe data/factory reset" and then "wipe cache partition" to remove both.
5. "Reboot system"
6. Once phone has rebooted, Root stays if properly installed, and phone starts off like new.
7. I have been using the phone since for 7 hours now, and seems better.
Attached Files
File Type: rar local.prop.rar - [Click for QR Code] (100 Bytes, 24441 views)
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14th May 2011, 09:46 PM |#2  
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still have sound when focusing when taking pictures.
14th May 2011, 10:09 PM |#3  
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Quote:
Originally Posted by [email protected]

still have sound when focusing when taking pictures.

It needs to be disabled within Camera.apk

I'll look at that just now then.
15th May 2011, 01:46 AM |#4  
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Sorry; I live in Hong Kong and posted it at 2am in the morning and made a typo. It should be:

ro.camera.sound.forced=0

Will correct original post now.
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15th May 2011, 09:29 AM |#5  
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Quote:
Originally Posted by kohiiou

Sorry; I live in Hong Kong and posted it at 2am in the morning and made a typo. It should be:

ro.camera.sound.forced=0

Will correct original post now.

Still not working...
15th May 2011, 10:11 AM |#6  
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Quote:
Originally Posted by mrfreddan

Still not working...

Did you reboot your phone? The changes doesn't persist till after a hard reboot.

Make sure it's also in:
/data/local.prop

And not

/data/data/local.prop

Double check to make sure you have it in the right place too and for example NOT in /sdcard/data/local.prop.
15th May 2011, 10:29 AM |#7  
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YES!! works great for me! not only that - but it follows the setting of you phone therefore

- Phone silenced = NO Camera sound at all (focus OR snap)

-Phone sound on = Camera sound with Focus AND snap

Thanks a lot dude. finally.

cheers
nick
15th May 2011, 10:30 AM |#8  
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by the way i extracted your .Rar file to my phone's SD card from my windows machine. Then i copied the file with Root Explorer to /data

= Profit
15th May 2011, 11:02 AM |#9  
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Quote:
Originally Posted by nickbarbs

YES!! works great for me! not only that - but it follows the setting of you phone therefore

- Phone silenced = NO Camera sound at all (focus OR snap)

-Phone sound on = Camera sound with Focus AND snap

Thanks a lot dude. finally.

cheers
nick

Confirmed - it's now related to the system volume.
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15th May 2011, 11:33 AM |#10  
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Is possible to create tweak which enable digital zoom while recording 1080p video? Yeah, I know it is digital zoom but sometimes it would be usefull. Now zoom is possible only with 720p or less.
15th May 2011, 11:57 AM |#11  
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You need to have root for this, no?
Because I haven't rooted it yet and it doesn't work.
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