Xiaomi has launched the 18 Fold foldable smartphone with a 5.38-inch outer display, 7.58-inch inner display, and XRing O3 chipset, featuring a larger 6,000 mAh battery than Samsung's Galaxy Z Fold 8. Pre-orders are now open in China starting at ¥10,999, with the device featuring a 200MP main camera and storage options up to 16GB + 1TB.