Get your faulty iPhone 6 Plus iSight camera replaced.
If you bought your iPhone 6 Plus between September and January you may have noticed that the photos you take come out blurry. It turns out that a limited number of devices made during this time frame had a manufacturing defect with the back camera. If eligible, Apple will replace the camera for free. You can look up your serial number at this website which will let you know if your device has been affected. If your device is eligible you an make an appointment at an Apple store to start the repair process.
Read the full story at 9to5 Mac