iPhone 4s Repair - iFixit

iPhone 4S Logic Board Replacement - iFixit Repair Guide

iPhone 4S Screen Replacement - iFixit Repair Guide

iPhone 4S Screen Replacement - iFixit Repair Guide

How to get Apple's $29 iPhone battery replacement - CNET

How to Fix iPhone 4S Wi-Fi Grayed Out - iFixit Repair Guide

iPhone 4S Teardown - iFixit

iPhone 4S Power Button Replacement - iFixit Repair Guide

How To: Replace the Display Assembly on your iPhone 4s

iFixit Matches Apple's $29 Battery Offer, Adds Older iPhones

iPhone 4S Blank Rear Glass Panel, Replacement Kit iFixit