iPhone Duo display defects reported days after launch

Apple's first foldable smartphone, the iPhone Duo, launched Friday, is already showing display defects, with multiple users reporting black lines near the hinge after minimal use. Apple is replacing affected devices. Reports on social media describe cracking sounds before the screen fails, with some devices breaking before users even left the Apple Store. Speculation suggests a faulty hinge component in one production batch, though the exact cause remains unknown. Apple is reportedly exchanging defective units, but users who bought through mobile carriers may face delays due to insufficient stock. The issue echoes Samsung's Galaxy Fold launch in 2019, which also suffered widespread display failures.