So your precious iPhone 4 device failed your unintentional drop test. And the result of the drop test! – A broken front glass and LCD. Now, the iPhone screen repair is quite straightforward, only thing is both the front glass and LCD needs to be replaced as a unit. In short, you have to replace the entire display assembly.
Replacing the entire display assembly will provide you with a brand new front glass panel, digitizer as well as a new LCD. Now the LCD is glued to the glass at the factory and the both the parts can’t be separated without any damage. So the only option is to buy a new iPhone 4 display assembly.
Now, replacing the display assembly is not as tedious, provided you have the right tools and ample time.
The article focuses on step by step procedure of replacing the iPhone 4 display assembly: But first you might want to read our iphone 4s teardown guide.
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iPhone 4 Screen Display Assembly Replacement Guide
Also See: Tool kit buying guide
- P2 iPhone Pentalobe Screwdriver.
- Phillips #000 Screwdriver.
- 2.5 mm Flathead Screwdriver.
- Plastic razor Tools.
- Spudger tool.
- SIM Card Eject Tool.
Just turn off your iPhone device.
Reminder: Your iPhone 4 rear cover might have either two 5-Point “Pentalobe” screws or two #000 Phillips screws.
Just checkout for the screws and remove these two (either 3.6 mm Pentalobe or Phillips #000) screws next to the dock connector with the correct screwdriver.
Now gently push the rear panel with both of your thumbs toward the top edge of your device.
Just hold tight the sides of the rear panel with your fingers and lift it away from the device.
iPhone 4 Battery removal steps:
Now unscrew the single 2.5 mm Phillips screw, with the Phillips #000 screwdriver, connecting the battery connector with the logic board.
Use the plastic razor tool to carefully pop off the battery connector from its socket on the logic board.
Now gently remove the metal clip wrapping the antenna connector.
Then just grab the plastic pull tab to carefully elevate your iPhone 4 battery out of the device.
Disconnect the contact clip from your device.
With the SIM card eject tool or any paperclip try to eject the SIM card as well as its holder.
Use the Phillips #000 screwdriver to remove both the 1.2 mm Phillips screw as well as a 1.6 mm Phillips screw.
Now just disconnect the thin steel dock connector cable cover from your device.
Now with the plastic razor tool carefully disconnect the dock cable connector off from the logic board, both at the small ends of the connector.
Cautiously peel off the dock ribbon cable from both the lower speaker enclosure as well as the logic board.
Now with the plastic razor tool, just disconnect the lower antenna connector off from its socket on the logic board.
- Use the Phillips screwdriver to unscrew the single 1.9 mm Phillips screw attaching the bottom of the logic board with the inner case.
Again use the Phillips screwdriver to unscrew the five screws attaching the Wi-Fi antenna with the logic board. These screws include single 2.3 mm Phillips screw, two 1.6 mm Phillips screw, single 1.4 mm Phillips screw and a 4.8 mm Phillips screw.
With the help of the plastic razor tool carefully lift the Wi-Fi antenna’s top edge away from the logic board.
With the spudger tool’s tip, just pop off the Wi-Fi retaining clips from the inner frame.
Disconnect the Wi-Fi antenna from your device.
Reminder: Just ensure not to lose the metal clips on the top of the cover where the 4.8mm screw attaches, which is the primary reason why your Wi-Fi performs abnormally, after it is reassembled.
With the plastic razor tool, gently pull off the rear camera connector from its socket on the logic board.
Then carefully remove the rear camera.
First remove the warranty sticker as well as the water indicator wrapping the screw near the battery pull tab.
Then unscrew and remove the single 2.4 mm Phillips screw, which is underneath the sticker, with the Phillips screwdriver.
Now with the help of the plastic razor tool’s flat edge, carefully disconnect all the connectors from their respective sockets on the logic board including the digitizer cable, LCD cable, headphone jack/volume button cable, top Microphone/sleep button cable, front camera cable etc.
With small flathead screwdriver, just unscrew and remove the single 4.8 mm screw near the headphone jack.
Now cautiously dislodge the logic board off from your device.
Reminder: Be careful not to damage any cables which might get caught.
Again use the Phillips screwdriver to unscrew and remove the single 2.4 mm Phillips screw attaching the speaker enclosure with the inner frame’s side.
Then remove the speaker enclosure away from your device.
Again use the Phillips screwdriver to unscrew and remove both the 6 mm Phillips screw as well as a 1.4 mm Phillips screw, attaching the vibrator with the inner frame.
Now gently pull the vibrator away from your device.
Use the Phillips screwdriver to unscrew and remove the single 1.5 mm Phillips screw near the headphone jack, attaching the front panel.
Just unscrew and remove all the three big 1.5 mm Phillips screws, with the Phillips screwdriver, attached along the volume button side of your device.
Using the Phillips screwdriver, again remove the single1.5 mm Phillips screw located near the lower microphone.
Again unscrew and remove the single 1.5 mm Phillips screw located near the dock connector ribbon cable.
Now again unscrew and remove all the three large 1.5 mm Phillips screws located along with the SIM card side of your device.
And again unscrew and remove the single 1.5 mm Phillips screw located near the rear camera.
Now cautiously insert the plastic razor’s tool flat edge in between the steel inner frame and the rubber bezel covered around the front glass panel.
Carefully pull the front panel assembly’s upper edge away from the steel inner frame.
Just keep on rotating the front panel assembly, till the adhesive gradually begins to peel off below the home button area.
Now cautiously pull the front panel assembly’s lower edge away from the steel inner frame.
Just remove the entire display assembly away from your device.
Replace the display assembly with the new one.
Now to reassemble your iPhone 4 device, just repeat all the above mentioned steps in reverse order (i.e. from Step 20 to Step 1).
Now, your iPhone 4 is ready with a brand new digital assembly which includes front glass panel, digitizer as well as a new LCD.
For more info, Contact Apple Customer Service, Start your support request online or Apple contact number listed here ‘ll connect you to an expert, when dialed.