Taking in your iPhone 5 for the sleep button fix but really want to upgrade to an iPhone 5s? There m

[iMore.com]

If you're taking your iPhone 5 into an Apple Retail Store to get the faulty sleep/wake button fixed then you might just have another option available to you ? a $350 trade in towards an iPhone 5s or iPhone 5c. That's $80 more than is usually offered. There is one catch though ? you have to ask for it. So what's the deal?

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