The new iPhone Duo in single screen mode is the same size (5.4") as the iPhone 13 mini but with a different aspect ratio
https://photos.reportinglive.com/p/2026-09-09/f-bf86c6f5adb3...
https://photos.reportinglive.com/p/2026-09-09/f-bf86c6f5adb3...
Height
4.64 inches (117.8 mm) closed / 4.64 inches (117.8 mm) open
5.18 inches (131.5 mm)
Width
3.31 inches (84.1 mm) closed / 6.48 inches (164.6 mm) open
2.53 inches (64.2 mm)
Depth
0.44 inch (11.3 mm) closed / 0.21 inch (5.2 mm) open
0.30 inch (7.65 mm)
Weight
8.96 ounces (254 grams)
4.97 ounces (141 grams)