IPhone 7 lock that prevents individuals from attempting to replace the home button on their own. Users are now required to go to an Apple Store to have repairs done, with "recalibration" of the button being necessary. This is a step further than Apple went with iPhone 5S, 6 and 6S, where only Touch ID functionality would get disabled but the "return-to-home" functionality still worked. Some iPhone 7 devices with the model numbers A1660, A1779 and A1780 suffer from a problem where they show a "No service" message even when cellular reception is available. Apple will repair those devices for free within
IPhone 5S for preorder on September 13, 2013, the iPhone 5S was not available for preorder. Both devices were released on September 20, 2013. While most of the promotion focused on Touch ID, the 64-bit Apple A7 processor was also a highlight during the event. Schiller then showed demos of "Infinity Blade III" to demonstrate the A7's processing power and the device's camera using untouched photographs. The release of iOS 7 on September 18, 2013 was also announced during the keynote. The iPhone 5S was released on September 20, 2013, in the United States, United Kingdom, Canada, China, France, Germany, Australia, Japan,