noise from shaking the phone

It's normal. That's just a part of the camera module moving slightly.

bubu23 said:

plz i need to know...im shaking the phone and iv got noise from the camera unit is this ok?
when i turn on the camera the noise stop !!!
i just want to know if its normal ?

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It's the auto focus mechanism and that's normal.

OIS lens' have elements in them that are free moving when the voice coils are not energized. So when you shake it the rattle noise you hear is the element moving and reaching its mechanical limits. This is perfectly normal. When the camera is engaged, the voice coils are biased with a small current that keeps the element very steady. This current is modulated according to the movement to counter handheld shake. It allows longer shutter speeds and lower iso values to improve image quality at lower light levels.



OIS on cameras and lenses have settings to turn it OFF so if the camera is on a tripod focused on still object there won't be interference. I wish there was a toggle to turn it off on phone cameras too because loud music can cause the servo to go into full hysteresis (oscillation) making the video almost jelly like when a kickdrum or synthbass hits hard, etc.

Open your camera app and shake the device lightly. You'll notice OIS kicking in

That's the first thing I noticed, once I pulled my S20 Ultra out of the box
See here. IMHO the $1,700 phone (16G,256G) should have this element "parked" when not in use .