When the first reviews of the Galaxy S20 Ultra started being posted, there were a few complaints about autofocusing problems with the 108MP primary camera and zoom lens. Since its initial release, Samsung has rolled out a number of firmware updates meant to address the autofocus problems.
However, even with its most recent updates, the problems

Source: Hot Hardware – Samsung Galaxy S20 Ultra Camera Autofocus Woes Probably Can’t Be Fixed With Software