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 5C 2014) over the iPhone 5C, during the period that both phones were sold side by side. The 8 GB version of the iPhone 5C, released in 2014, was described as "unusable" as only 4.9GB is available to the user after installing iOS 8; in contrast to iPhone 5S which offers a minimum of 16 GB storage. The iPhone 5C was regarded as too expensive to compete with affordable flagship smartphones such as the Nexus 5 and OnePlus One, or smartphones designed for developing markets such as the Moto G. The iPhone 5S and 5C sold over nine million units in