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Phone · Apple · iPhone 4

Apple iPhone 4 Screen Replacement

Screen Replacement guide for the Apple iPhone 4

Moderate
~63 min
22 steps

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

# Apple iPhone 4 Screen Replacement Repair Guide Action-specific screen replacement walkthrough for the Apple iPhone 4. About 63 minutes across 22 steps. This DIY guide walks through screen replacement on the Apple iPhone 4 (iPhone series phone). Before you open the device, confirm the exact model number on the Apple settings screen or rear housing so your replacement part matches the iPhone 4 specifically—not a similar iPhone sibling. Most DIY techs finish this Apple iPhone 4 screen replacement in about 63 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Apple iPhone 4 job: Phillips #000 Screwdriver, Pentalobe Screwdriver, Plastic Spudger, Plastic Opening Picks, SIM Eject Tool, Tweezers, Suction Cup. Parts and supplies: iPhone 4 Replacement Screen, Adhesive Strips. Power the iPhone 4 off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Apple iPhone 4, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle screen replacement for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Remove bottom docking screws

    2 min

    Use a Pentalobe or Phillips #000 screwdriver to remove the two 3.6 mm screws located on either side of the dock connector.

  2. 2

    Slide off the rear panel

    1 min

    Push 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. 3

    Unscrew the battery connector

    2 min

    Remove 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. 4

    Detach battery and remove

    3 min

    Insert 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. 5

    Eject the SIM tray

    1 min

    Insert 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. 6

    Remove top logic board shield

    3 min

    Unscrew the five Phillips screws holding the top metal cable cover plate in place. Lift the shield off the board using tweezers.

  7. 7

    Disconnect top ribbon cables

    4 min

    Use the flat edge of a spudger to carefully disconnect the display, digitizer, headphone jack, front camera, and volume button ribbon cables.

  8. 8

    Remove the rear camera

    2 min

    Unplug the camera connector cable from the top right corner of the board. Lift the rear camera module out of its recessed housing.

  9. 9

    Disconnect dock connector ribbon

    2 min

    Pry the lower dock ribbon cable connector straight up off the logic board. Peel the ribbon away from the inner chassis.

  10. 10

    Remove the speaker assembly

    3 min

    Remove the two screws securing the speaker enclosure to the bottom frame. Lift the speaker and antenna module out of the case.

  11. 11

    Unscrew the logic board

    4 min

    Remove 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. 12

    Lift out the logic board

    2 min

    Carefully 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. 13

    Unscrew four display corner screws

    3 min

    Remove the four corner Phillips screws securing the screen assembly to the metal frame, taking care to keep their small washers attached.

  14. 14

    Loosen six display frame screws

    3 min

    Loosen the six side screws holding the display brackets to the interior frame by about two full turns. Do not remove them completely.

  15. 15

    Pry away broken front display

    5 min

    Insert 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. 16

    Thread old cables through frame

    2 min

    Guide 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. 17

    Thread new display cables

    3 min

    Feed the ribbon cables of the replacement screen assembly through the top slot in the metal frame. Ensure cables lie flat and untwisted.

  18. 18

    Seat new screen into frame

    2 min

    Align the screen with the frame and press it gently around all edges until it sits completely flush.

  19. 19

    Tighten display frame screws

    4 min

    Reinstall the four corner screws with washers and tighten the six side frame screws to firmly lock the screen in place.

  20. 20

    Reinstall logic board and cables

    6 min

    Lower the logic board back into position and reconnect all top ribbon cables along with the camera module. Fasten the board and shield screws.

  21. 21

    Reinstall speaker unit and battery

    4 min

    Place the speaker assembly in the bottom, secure its screws, then reinsert the battery and fasten its connector bracket.

  22. 22

    Reassemble outer panels

    2 min

    Insert 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.

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