Weird clicking sound in camera when focusing

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http://forum.xda-developers.com – After updating to JB, i am hearing a weird sound when the camera is focusing. It doesn't happen when i was still in ICS. The camera produces a clicking sound (usually paired by 2 clicks after touching the screen for it to focus). Do you guys think it's a hardware issue? I was wondering coz this only happen when i updated to JB.. Sent from my HTC One S4 using xda-developers app (HowTos)