Apple iPhone Duo revives UDC battle as Samsung weighs trade-offs

Apple has launched its first foldable phone, the iPhone Duo, adopting under-display camera (UDC) technology long used by Samsung Electronics. Samsung is now weighing the trade-offs between image quality and full-screen design.

• iPhone Duo is Apple's first foldable phone with an under-display camera
• Samsung has used UDC technology in its devices for years
• Samsung weighs trade-offs between photo quality and design