These accessories with magnets could seriously affect the ability to take pictures on the iPhone 6 Plus processor and NFC on the iPhone and iPhone 6 6 Plus.
iPhone 6 and iPhone 6 Plus seems to be getting a lot of negative feedback from the users. Past incidents "bend" in the iPhone 6 Plus and then tried to shift the camera before in a number of products as well as iPhone iPhone 6 6 Plus, Apple continues to receive bad as iPhone 6 Plustrouble on the same camera chip NFC operational inefficiencies.
Compared with the incident iPhone 6 Plus bent , pulled the camera does not work with NFC is not entirely the fault of Apple. Recent research shows that parts Optical SteadyShot with NFC chip accessory affected by the user's fault, not from Apple.
With metal cover an area larger than the iPhone 5 or iPhone 5S, the components inside the iPhone 6 iPhone 6 Plus much less affected from the magnetic tiles. The magnetism of the magnet effect on parts of the optical image stabilizer iPhone 6 Plus support that does not work while a small portion affect the bottom NFC chip.
This is also the reason that not many people use the iPhone as iPhone 6 Plus 6 also encountered these problems. Apple is quietly contacted companies producing accessories to restrict the use of magnets in these products, even if you are experiencing similar problems, try out the accessories section magnet surrounded iPhone outside before bringing them to the store for repair or replacement.
(Reference: PhoneArena)