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 system. The iPhone was initially released with two options for internal storage size: 4 or 8GB. On September 5, 2007, Apple discontinued the 4GB models. On February 5, 2008, Apple added a 16GB model. The iPhone 3G was available in 8 and 16GB. The iPhone 3GS came in 16 and 32GB variants and remained available in 8GB until September 2012, more than three years after its launch. The iPhone 4 was available in 16 and 32GB variants, as well as an 8GB variant to be sold alongside the iPhone 4S at a reduced price point. The iPhone 4S was available