iPhone Duo vs Xiaomi 18 Fold: How these foldables stack up
We compare the two on their design, displays, durability and more. Benjamin Fanjoy/Getty Images Unveiled just two days apart, the iPhone Duo and the Xiaomi 18 Fold are similar in many ways. They are both premium foldable phones in a passport-style design, moving away from the more square shape that has defined the foldable smartphone