Phone · Apple · iPhone 4
Apple iPhone 4 Screen Replacement
Screen Replacement guide for the Apple iPhone 4
Before you begin
Tools
- Phillips #000 Screwdriver
- Pentalobe Screwdriver
- Plastic Spudger
- Plastic Opening Picks
- SIM Eject Tool
- Tweezers
- Suction Cup
Parts / materials
- iPhone 4 Replacement Screen
- Adhesive Strips
Safety
- Wear safety glasses to protect your eyes from fine glass shards if the original glass is cracked.
- Use an anti-static wrist strap to prevent electrostatic discharge damage to internal components.
- Do not bend or puncture the battery during removal to prevent thermal runaway.
Overview
Step-by-step
- 1
Remove bottom docking screws
2 minUse a Pentalobe or Phillips #000 screwdriver to remove the two 3.6 mm screws located on either side of the dock connector.
- 2
Slide off the rear panel
1 minPush the rear panel gently upward toward the top of the phone until it slides up about 2 mm. Lift the panel away from the frame and set it aside.
- 3
Unscrew the battery connector
2 minRemove the single 2.5 mm Phillips screw securing the battery connector bracket to the logic board. Take care not to lose the tiny contact clip located beneath the bracket.
- 4
Detach battery and remove
3 minInsert a spudger under the battery connector and gently pop it off the socket. Pull the clear plastic tab firmly upward to break the adhesive and lift out the battery.
- 5
Eject the SIM tray
1 minInsert a SIM eject tool or bent paperclip into the small hole on the right edge of the frame. Push inward to eject the tray and remove it.
- 6
Remove top logic board shield
3 minUnscrew the five Phillips screws holding the top metal cable cover plate in place. Lift the shield off the board using tweezers.
- 7
Disconnect top ribbon cables
4 minUse the flat edge of a spudger to carefully disconnect the display, digitizer, headphone jack, front camera, and volume button ribbon cables.
- 8
Remove the rear camera
2 minUnplug the camera connector cable from the top right corner of the board. Lift the rear camera module out of its recessed housing.
- 9
Disconnect dock connector ribbon
2 minPry the lower dock ribbon cable connector straight up off the logic board. Peel the ribbon away from the inner chassis.
- 10
Remove the speaker assembly
3 minRemove the two screws securing the speaker enclosure to the bottom frame. Lift the speaker and antenna module out of the case.
- 11
Unscrew the logic board
4 minRemove the logic board screws, including the 4.8 mm standoff screw located near the center of the board. Keep track of each screw's location.
- 12
Lift out the logic board
2 minCarefully pivot the bottom of the logic board up and lift it away from the frame. Ensure no ribbon cables catch on the board as you remove it.
- 13
Unscrew four display corner screws
3 minRemove the four corner Phillips screws securing the screen assembly to the metal frame, taking care to keep their small washers attached.
- 14
Loosen six display frame screws
3 minLoosen the six side screws holding the display brackets to the interior frame by about two full turns. Do not remove them completely.
- 15
Pry away broken front display
5 minInsert a plastic opening pick between the display glass and the outer metal frame. Slide along the perimeter to break adhesive and lift the display off.
- 16
Thread old cables through frame
2 minGuide the digitizer and LCD ribbon cables out through the narrow slot at the top of the frame as you lift the old screen clear.
- 17
Thread new display cables
3 minFeed the ribbon cables of the replacement screen assembly through the top slot in the metal frame. Ensure cables lie flat and untwisted.
- 18
Seat new screen into frame
2 minAlign the screen with the frame and press it gently around all edges until it sits completely flush.
- 19
Tighten display frame screws
4 minReinstall the four corner screws with washers and tighten the six side frame screws to firmly lock the screen in place.
- 20
Reinstall logic board and cables
6 minLower the logic board back into position and reconnect all top ribbon cables along with the camera module. Fasten the board and shield screws.
- 21
Reinstall speaker unit and battery
4 minPlace the speaker assembly in the bottom, secure its screws, then reinsert the battery and fasten its connector bracket.
- 22
Reassemble outer panels
2 minInsert the SIM tray, slide the rear cover back onto the frame, and secure the two bottom screws to finish.
After your Apple iPhone 4 screen replacement
Power the iPhone 4 back on and test the screen replacement function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Apple iPhone 4 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Apple iPhone 4 repair context in the encyclopedia, or open related DIY guides.

