We heard before that iPhone 8 could get delayed due to various technical issues stemming from a new augmented-reality 3D camera system, the lamination process of curved organic light-emitting diode (OLED) panels and a new thin-film 3D Touch system.
Analyst Timothy Arcuri of Cowen and Company, however, contends that iPhone 8's rumored in-screen Touch ID sensor remains its biggest bottleneck.