Ahead of the launch of the foldable iPhone Duo, rumors suggested Apple was focused on eliminating the crease between the device's two displays. All foldables have a visible crease, and it often becomes easier to see over time from constant folding and unfolding. On the iPhone Duo product page, one of Apple's FAQs concerns the crease. "Does the inner display of iPhone Duo show a crease where it folds?" reads the question.