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Per AT&T's website, I won't be getting my iPhone 6+ until 10/13-10/22. Looks like I will have to enjoy iOS 8 on my iPhone 5 till then.
 
The Re/code iOS 8 Review: The Problem Solver
16 September 2014

Quick, look at your iPhone. What bugs you about it? Maybe you wish it had a bigger screen, like some of your friends’ Android phones. You might long for an on-screen keyboard with smart features like predictive typing. If you’re still using an iPhone 4s, it might run annoyingly slow.

Apple feels your pain.

At least, that’s the message the company is conveying with the release of its new iOS 8. This free software update to the iPhone operating system seems to have an answer for your biggest gripes, checking them off the list, one by one. It also throws in some new features that you won’t know you needed until you try them. And it gives you faster ways to navigate your phone.

Full Review: Re/code
 
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