iPhone的一大优势是流畅的用户体验，这也是不少竞争对手所欠缺的。但和所有的电子设备一样，iPhone会随着使用时间的增加而变慢。iOS升级有时候也是一把双刃剑，它有的时候会让老iPhone变得更加卡顿。如果你发现自己的老款iPhone已经开始变慢，那也不必着急，因为下面这10种方法或...
IPhone's a big advantage is the smooth user experience, which is the lack of a lot of competitors. But as with all electronic devices, iPhone slows down as the time increases. IOS upgrade sometimes is a double-edged sword, it sometimes makes the old iPhone become more Caton. You don't have to worry if you find that your old iPhone has started to slow down, because there are 10 ways to do this...
