Some review units of the Samsung Galaxy Fold have developed worrying tendencies to exhibit display failures. However, consumers who have ordered the device themselves may rest easier in the knowledge that their new flexible phone is apparently well-constructed. The first Galaxy Fold dissembler has indicated that the main screen is easy to replace.
https://www.notebookcheck.net/First-Galaxy-Fold-teardown-reveals-masterpiece-of-Samsung-design.418201.0.html