IPhone 6 cause the OIS to malfunction. On August 21, 2015, Apple instituted a repair program for iPhone 6 Plus models released between September 2014 and January 2015, citing that faulty rear cameras on affected models may produce blurry pictures. Some iPhone 6 and iPhone 6 Plus models have an issue in which the front-facing camera is somehow "shifted", or out of place. Apple stated that they would replace most affected iPhone 6 models with this issue, free of charge. Despite numerous complaints regarding this issue, it does not seem to actually affect the camera itself. It is said that the camera
IPhone on the O2 network in the United Kingdom, however, can buy the phone online and activate it via iTunes as with the previous model. Even where not required, vendors usually offer activation for the buyer's convenience. In the US, Apple has begun to offer free shipping on both the iPhone 3G and the iPhone 3GS (when available), reversing the in-store activation requirement. Best Buy and Walmart will also sell the iPhone. The iPhone's operating system is designed to only run software that has an Apple-approved cryptographic signature. This restriction can be overcome by "jailbreaking" the phone, which involves replacing the