Samsung has finally shared key details for its upcoming Galaxy Z TriFold, a phone with two hinges that unfolds into a 10-inch tablet, and it’s bonkers.

First, the Galaxy Z TriFold is launching in the U.S. in the first quarter of 2026, although pricing has not been announced. Second, holy moly, the damn thing is a mere 3.9mm at its thinnest point when unfolded. For comparison, the iPhone Air measures 5.6mm, the Galaxy S25 Edge is 5.8mm, and the Galaxy Z Fold 7 is 4.2mm.

Previewed in late October , the Galaxy Z TriFold is an attempt by Samsung to offer an even larger foldable experience, possibly to differentiate its mobile lineup as Apple is reportedly preparing to launch a foldable iPhone next year . Whereas the Galaxy Z Fold 7 is a book-style foldable with a single hinge that

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