Please perform the following steps to resolve the issue:
1- Check the Picture size in camera settings and set aspect ratio.
2- Turn on/off the Auto Flash.
3- Reset camera settings (Open camera app > Camera settings > reset settings).
4- Check for the latest device O/S (Settings > Software Update > Download updates manually).
For further assistance, register your concern in Samsung members application (Open Samsung members app > click on “+“icon > send feedback > error report / ask question).
