Video shows iPhone Duo inner display wrinkling at the crease

A Weibo user's video, shared by tipster Ice Universe, shows the inner display of the iPhone Duo wrinkling when pressed near the crease. The cause is unconfirmed; one theory points to Apple's rumored variable-thickness ultra-thin glass. The $1,999 foldable goes on sale October 23.

• Video of crease-area deformation was shared by tipster Ice Universe
• Source claims the issue appeared on multiple units
• Cause unconfirmed; variable-thickness UTG is one theory
• iPhone Duo priced at $1,999 goes on sale October 23