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 5 of sound produced is poor. AT&T, Verizon, and Sprint offer LTE access in the US, while in the UK, only EE and Three are able to offer LTE access. On March 26, 2013, T-Mobile announced they would begin carrying the iPhone 5, making it the first iPhone to be available on all four nationwide carriers in the United States. The T-Mobile version of the iPhone features a modified version of the A1428 iPhone 5 model enabling Advanced Wireless Services (AWS) support. All carriers in Canada selling the have their own LTE networks, including Rogers Wireless, Fido Solutions, Bell Mobility, Virgin