Follow along with the video below to see how to install our site as a web app on your home screen.
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If the ifixit walkthrough is too tough maybe you should get it fixed professionally.
the website provide me three steps to replace my front galss, but It is really difficult to understand.
the tool you will need:
1.1 x iPhone 4 Retina Display
2.1 x White iPhone 4 Front Panel
3.1 x White **broken link removed**
4.1 x White iPhone 4 Home Button
5.1 x White iPhone 4 Digitizer (enables touch function)
6.1 x White iPhone 4 Front Panel Support Frame
Step 1 Opening iPhone
1) Take out two bottom screws (blue arrows)
2) Use suction cup ( place it around the home button) and flip the glass up
3) You will see connectors and numbers. Use the prying tool and lift the number one and number two connector. For the number three connector lift the flap and pull the screen away. ( Red arrows)
Step 2 Removing OLD LCD
1) You will have to unstick your old one from the aluminum tray
2) Remove old front glass reflective material (its like a mirror) and clean off the old adhesive
3) Test fit your new screen ( it lines up with two small plastic nibs and two holes on the tray)
4) Remove the rear plastic and stick it on the tray ( you have to do this right the first step !)
5) When you are done use the old one as you template, and make small folds in the cable connector ( you need it to be folded identically)
Step 3 Replacing front glass
I didn't take pictures because, well its a pretty simple thing procedure, that is very difficult to do correctly. It's like removing the aluminum foil from a Hershey's bar. It's easy to do, but in the process the aluminum foil gets a bit wrinkled
Step 4 Put New iPhone 4 LCD Screen replacement back in
If you want more pics about each step, you can visit the website:
[DIY] Restoring an Iphone ( Front and Back) - MacRumors Forums
Click the next button bottom right of the third step to continue the process.