Apple has found that a small percentage of iPhone 6 Plus units that were sold between September 2014 and January 2015 have a manufacturing defect in the rear iSight camera causing blurry images. It has launched a replacement program that would let users with the defect to replace the camera unit. According to 9to5Mac, Apple will only replace the iSight camera component within the iPhone 6 Plus and not hand out new replacement phones.