Power Button & Proximity Repair - iPhone 4 How to Tutorial

In this tutorial we will show you step by step how to replace power button, proximity sensor and noise cancelation microphone flex cable assembly on iPhone 4. Do not forget to subscribe to our YouTube Channel for more videos. See Us: http://www.iPhoneRepairMiamiBeach.com Like Us:   / iphonerepairmia   Follow Us:   / iphonerepairmia