How to Shut off the LG Optimus 4X Camera Sound

I’ve been searching a little while to find how to shut off the LG Optimus 4X HD camera sound. And the problem is finally solved. However, in some Region, it’s forbidden to make digital camera silence when took a picture. I hope you know what i mean. We do this just for curiosity.


  • Turn off auto focus sound
  • Modify Tone4 in Shutter Sound to silent

Installation Guide:

  1. Use app that can edit permission such as Root Explorer rename /system/app/CameraApp.apk – > /system/app/CameraApp.apk.bak (backup original CameraApp.apk)
  2. Copy CameraApp.apk to /system/app/CameraApp.apk
  3. Edit permission as picture below


LG Optimus 4X HD Phone Photos LG Cell Phone Pictures



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