Of the shortcomings, I can note the dimensions, they are not suitable for everyone, and the location of the fingerprint sensor is a bit high for some users, although I feel comfortable, because before that I used the Galaxy S8 + for almost 2 years and got used to the location of the sensor, and here I have no complaints.
It is also disappointing that for almost half a year the manufacturer cannot finish the software, periodically there are some other glitches, before ating to Android 9, there were cyclic reboots when trying to make a payment with Samsung Pay, problems with fingerprint recognition, problems with the camera, or rather with the quality of shooting, terrible artifacts appeared in the photographs, which were clearly created by noise reduction, and even now there are complaints about the camera.
At the moment, artifacts created by noise reduction periodically appear, the photo is simply covered with multi-colored spots, and sometimes the automation paints the noise instead of removing them. In Live Focus portrait mode, the picture quality is poorer than in normal mode. The AI-based enhancer (scene optimizer) works either well or just disgustingly, significantly worsening the result of the shooting. Noise reduction does not work periodically during video shooting. This is a software problem because in other programs such problems are not observed and the noise is uniform over the entire field of the frame, and some third-party programs evenly suppress both chromatic and color noise.
But despite all the shortcomings, the camera takes some of the best pictures. Although, as for me, the pictures on S9 + and S9 are better, since there are no problems, and in general they work better for me.
There are also problems in the operation of SmartView, sometimes the picture on the TV is transmitted incorrectly, but I think this will be corrected soon