Apple iPhone Duo cracked screen problem emerged as customers have been raising the issue. Apple acknowledged on Monday that some of the devices exhibit display problems and said it will replace them, days after launching its first folding iPhone. Apple started shipping the iPhone Duo last week, with customers around the world lining up for tight inventory after initial online orders sold out in minutes. Analysts have said Apple is likely to face supply constraints because the iPhone Duo, which unfolds like a passport booklet, is complex to manufacture.
Over the weekend, social media posts showed the iPhone Duo with cracks and lines in the inner display along the central hinge where the iPhone Duo folds. Apple acknowledged the problems on Monday, saying affected units tend to show the problem quickly.
