Samsung Galaxy Z Fold 4 could get this big upgrade over Galaxy Z Fold 3

If we’re lucky the Samsung Galaxy Z Fold 4 could feature a big upgrade, in the form of an under-display fingerprint scanner,

That’s going by a new patent spotted by LetsGoDigital, which also drew up the illustrations you can see here. Samsung’s patent envisions a dual-sided fingerprint sensor to be used on both the outer and inner displays of a Galaxy Z Fold-style foldable. 

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