How to remove Facebook friends from your iPhone's contact list | How To - CNET: "If you have been living with a contacts list inundated with hundreds of Facebook friends, there is an easy fix. Head to Settings and scroll down until you find Facebook. For the Facebook setting, you'll see a section titled Allow These Apps to Use Your Account. Tap the slider to Off for Contacts. Now, head back to the All Contacts list and you'll see your list returned to its state prior to iOS 6 -- listing only the contacts you entered."
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