Samsung Galaxy Z Fold 9 to Revive UDC at 3.9mm Thinness
The Samsung Galaxy Z Fold 9 may reintroduce an under-display camera (UDC) on its internal folding display, according to recent supply chain reports from Sammobile. Designed for foldable enthusiasts seeking an uninterrupted viewing surface, this hardware pivot eliminates visible punch-holes on the main canvas, though previous iterations faced criticism for reduced photographic clarity and lower front-facing image quality.
The Evolution of Samsung's Inner Display Camera
According to an industry insider, Samsung has decided to bring UDC technology back to the inner display of the Galaxy Z Fold 9, reportedly inspired by competitive developments surrounding Apple's rumored iPhone Duo.

Samsung previously maintained a four-generation run with under-panel optics, introducing the technology on the Galaxy Z Fold 3 in 2021 and utilizing it through the Galaxy Z Fold 6. The company moved away from the concept with the Galaxy Z Fold 7, replacing the hidden sensor with a conventional hole-punch cutout to prioritize front camera capture quality.
Slimmer Chassis and Internal Upgrades
In addition to display changes, the leak reveals aggressive dimensional targets for the upcoming device. The Galaxy Z Fold 9 is expected to measure approximately 3.9mm thick when unfolded and around 7.9mm when folded shut.

The tipster notes that while exterior design alterations will likely be kept to a minimum, the device is slated to receive substantial internal hardware upgrades to accompany its thinner form factor.
Would you prefer an uninterrupted internal screen with an under-display camera, or do you favor a punch-hole sensor that delivers sharper selfie and video call performance?
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