This Samsung Galaxy Z Fold 4 F936U 512GB Factory Unlocked will show some signs of use such as scratches/scuffs but remains in good condition. Can be covered with case and screen protector. Unlocked to work with any sim card worldwide. Unfold your world and achieve next level productivity with Samsung Galaxy Z Fold4. This is the phone that holds its own so you can do two things at once. More screen means more doing. Launch multiple apps side by side with multi-window view.