IPhone 6 a byproduct of this lack of rigidity, the touchscreen's internal hardware being susceptible to losing its connection to the phone's logic board (nicknamed "Touch Disease"). The iPhone 6 Plus was also the subject of camera issues, including some devices with malfunctioning optical image stabilization or otherwise defects on rear cameras. The iPhone 6 and 6 Plus were moved to the midrange spot in Apple's iPhone lineup when the iPhone 6S and 6S Plus were released in September 2015. The iPhone 6 and 6 Plus were discontinued in most countries on September 7, 2016 when Apple announced the iPhone 7 and
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,