Step 1 The defective dock connector assembly is on the left side, the new 3G dock connector module that you are going to install on the right.
		Step 2 Slide the small flathead screwdriver under the end of the iPhone microphone ribbon cable and heat the two solder contacts with a soldering iron as you peel up the ribbon cable.
		Step 3 This is what it looks likes when the contacts are disconnected.
		Step 4 Do the same on the left side, disconnecting the iPhone loudspeaker.
		Step 5 Pry upwward carefully as you desolder the two contact with an electronics soldering iron.
		Step 6 This is what it looks like when both ribbon cables have been successfully disconnected.
		Step 7 Now peel off the defective dock connector module.
		Step 8 Install the new 3G dock connector module in the same position as the old one.
		Step 9 Hold down the loudspeaker ribbon cable with a flatheat screwdriver and reconnect the contacts with a soldering iron.
		Step 10 Do the same with the microphone's ribbon cable.
		Step 11 Reinstall the dock connector assembly in the backplate and then reinstall the iPhone 3G logic board. Be sure to take off the foam distance piece with then number 3 sticker and install it on the new dock connector module.