在iOS 8正式版发布之后，网上就有不少媒体和用户说iPhone 4s升级运行iOS 8会出现各种问题，而且由于硬件上已经落后，升级会出现运行卡顿的情况。

iPhone 4S升级iOS 8？就是找死！更关键的是，启动慢也就罢了，另一个问题会更难受。 事实上，4S运行iOS 7的时候就会出现一些卡顿现象，尤其是很多 ...

Here is what iPhone owners can expect from the free iOS 8 release that arrives in the middle of the week for the iPhone 4s to iPhone 5s devices.

Before you download and install iOS 8.2 on the iPhone 4s, you need to understand what the new iOS 8 update delivers and how it impacts the performance of your iPhone 4s.

On paper, Apple's new iOS 8 upgrade works with iPhones as old as the iPhone 4S. In real life...not so much.

It includes a number of bug fixes, improved overall stability, and, most importantly, performance improvements for older devices including the iPhone 4s and iPad 2.

Just thinking about the situation abstractly, it’s pretty clear that iOS 8 on the 4S is not a good idea. First of all, iOS 8 is optimized for big smartphone screens. Really big.

Still have an iPhone 4s? iOS 9 is a bitter pill to swallow. Although you can technically download the new operating system if you so desire, you’ll miss ...

Apple on Wednesday will release the final version of iOS 8, with millions of iPhone, iPad and iPod touch owners expected to download and install … ...

iOS 8 release date is today, but don't put it on your iPhone 4S Apple Inc says that the 4S is good to go and has even updated the 4S landing page to say that its standard operating system is iOS 8.

The iPhone 4S was Apple's last to use the original 3.5-inch iPhone screen size, which is now the smallest of four different phone screens that Apple supports. iOS 8's new stuff is all about ...