Days after the $2,000 iPhone Duo hit stores around the world, Apple’s first folding smartphone is facing reports of screen failures, with multiple social media posts from purported owners claiming that the inner displays have cracked seemingly on their own.

Several of the affected iPhone Duo units appear to have broken around the same area of the phone, that is, near the transition between the opening for the cable connecting the two halves and the central hinge support. Photos posted on Reddit and other social media platforms show bright lines appearing across the right side of the iPhone Duo’s inner display. Some of the posts also described hearing a crunch while folding or unfolding the device.

Repair site iFixit, known for its teardowns of Apple products, has suggested that the iPhone Duo’s early screen failures could be linked to the internal geometry of its hinge.…