Apple has disclosed that a small number of iPhone 6 Plus devices have defective rear cameras, causing photos to look blurry. These iPhones were sold primarily between September 2014 and January 2015.
In response, they have announced the iSight Camera Replacement Program for iPhone 6 Plus. This program will replace these defective cameras for free if the device is out of warranty. To check eligibility, enter the iPhone’s serial number at https://www.apple.com/support/iphone6plus-isightcamera