In recent months, iPhone users 6, 6s, 6s and 6 Plus Plus faced with the problem of sudden turns off. As the representative of the company in a statement resource TechCrunch, the problem is solved in a marked degree of iOS 10.2.1
Recall, iOS 10.2.1 update was released by Apple in January 2017. According to the representative, update dramatically reduces the number of unexpected shutdowns smartphones. According to statistics from the manufacturer, update the frequency of shutdowns reduced by more than 80% for the iPhone 6s and more than 70% for the iPhone 6. In addition, the added feature that allows you to restart your smartphone without connecting to the mains, if the smartphone is still turns itself off.
Interestingly, at the end of 2016, Apple acknowledged the problem with the sudden shutdown. As reported then the company, this problem affected a small number of iPhone 6s, made in September and October 2015. Some components of the iPhone 6s got batteries that are in the process of assembling stayed outdoors for longer than is necessary, before they built into the battery pack. For those Apple smartphones launched a free battery replacement program.