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
History of iPhone the phones on June 29, 2012. T-Mobile began offering iPhone on April 12, 2013. On November 9, 2007, the iPhone was officially launched As in the case of the previous launch in the US, customers lined up as much as a day in advance to obtain the much-anticipated phone. Apple occasionally produced a limited number of 4GB iPhones for German and UK markets, but they never reached end customers and were used as in-store demo units. Later most of the units were disposed of. The initial operating model of locking iPhone owners to one selected carrier has been controversial in