Galaxy a51 main camera light/dark bands in pro mode

[usere1eqvpFO0e]

In my new Galaxy a51 in Pro mode, in low light conditions there is obvious light/dark banding along the long dimension. At longer exposure (brighter) it's not visible, but I'm trying to take low light shots. It seems like a software bug or problem. See photos with banding, and with longer exposure (brighter) and no obvious banding.With horizontal banding

Same subject, longer exposure, no banding

[SamsungAdam]

Do you experience these symptoms in any other camera mode?

Do you experience these symptoms if you test your device in safe mode? If your phone is misbehaving, it's possible that a third-party app is causing the issue. To figure out what app is acting funny, you can use the Safe Mode feature. In Safe Mode, your phone won't run any third-party apps. This allows you to easily identity and remove the app that may be causing the problem. Give this link a try: https://www.samsung.com/us/support/answer/ANS00062983/

[usere1eqvpFO0e]

I need to correct my post a bit. The banding occurs repeatability when I use a fast enough shutter speed (the setting in pro mode) that the image is dark. I can't make any other mode use a faster "shutter speed. I have a series of pics where I increase the shutter speed and the banding becomes obvious. Not sure how to post new pics.

[SamsungRei]

To post additional pictures, you would need to access the post from a web browser. Were you able to test the camera in Safe Mode? 

[usere1eqvpFO0e]

I tried it in Safe Mode and got the same result. I was better able to isolate the effect. In Pro Mode, as I increase the shutter speed (ie shorter "exposure") the banding becomes severe. See screenshots I've attached. As think about this more, perhaps it's due to a strobing effect with led ceiling light? ( which visibly strobes, at 60Hz i assume). Still seems like a problem with the camera software.