|Before you begin|
Read this website's Legal Guidelines and make sure you understand the risks of this repair. Place your iPhone 3GS on a clean flat and soft surface, such as a rubber mat or a piece of soft cloth and get the required opening tools
Turn your iPhone 3GS on its front.
Remove the left dock connector screwsnext to the dock connector.
Remove the right screw next to the 3GS dock connector.
Both screws are removed and you can turn the iPhone around.
We recommend using a suction cup lifter, you can pretty much use any model as long as it is small enough to fit on the front glass.
Engage the suction cup and pull as shown in the image.
Slowly lift the bottom of the front panel to expose the ribbon cables numbered 1 to 3 as shown in the image. Be careful not to put strain on the cables, instead easy cable number 1 loose using a safe open tool.
Ease off cable number 2.
Lastly gently flip upward the latch of connector 3 (the connector for proximity sensor and earspeaker).
You have fully separated the 3GS screen module from the logic board.
This is what it looks like when front and logic board are separated. Please remember to remove the 3GS sim card holder.
Remove the screws of the side of the 3GS screen panel.
Also remove the LCD screws on the other side of the screen panel.
Release the LCD from the front assembly. To do so, carefully insert the flathead screwdriver next to the screwholes.
Remove the screw of the proximity sensor module cover.
This is what is looks like when the 3GS LCD is remove from the 3GS Digitizer.