The next Galaxy Z Fold is very likely to a reworked inner display, according to a renowned leaker. Reportedly, Samsung plans to ditch the punch-hole camera from last yeear's Galaxy Z Fold2, which was an improvement on the Galaxy Fold's notch, itself.
https://www.notebookcheck.net/The-next-Samsung-Galaxy-Fold-is-very-likely-to-have-a-reworked-inner-display-with-a-much-cleaner-look-than-the-company-s-past-foldable-smartphones.522592.0.html