1. Windows Central Question's Avatar
    I noticed this problem earlier with lumia 820, 1020, and now i have 830 and is the same fssss sound when i launch Lumia Camera apps(panorama,selfie,camera5). when i use Microsoft camera app there is no noise on loudspeaker. you can try to put your loudspeaker close to ear and listen in silence... you will hear that noise. i think is a bug bcs i don't see why and any benefit of the camera using the loudspeaker.
    10-11-2015 08:44 AM
  2. Megatronus66's Avatar
    Don't you think its a coincidence that all your lumias with Zeiss optics make this noise.It's the noise of the sensors.No need to worry.
    10-11-2015 12:52 PM
  3. gpobernardo's Avatar
    If you listen more carefully, the "noise" is actually coming from the camera module itself (at the back, not in front) of the phone. That's probably the OIS or the cooling system of the camera module in action. Try taking a video with the Microsoft camera (not a photo, since Microsoft camera does not produce high-resolution photos for Windows Phone 8.1) - you should also hear the faint "noise" while recording a video.

    By the way, you were referring to the earpiece, not the loudspeaker.
    10-11-2015 01:29 PM

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