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Phone · Samsung · Galaxy S4

Samsung Galaxy S4 Screen Replacement

Screen Replacement guide for the Samsung Galaxy S4

Difficult
~50 min
23 steps

Before you begin

Tools

  • Phillips #000 screwdriver
  • Plastic prying tool
  • Spudger tool
  • Tweezers
  • Heat gun or hair dryer

Parts / materials

  • Replacement Samsung Galaxy S4 screen assembly
  • Double-sided adhesive strips
  • 99% Isopropyl alcohol

Safety

  • Power off the device and remove the battery completely before servicing internal components.
  • Wear safety glasses when applying heat to glass surfaces to protect against sudden cracking.
  • Avoid concentrated heat on a single spot to prevent melting plastic housing components.
  • Use an anti-static wrist strap to protect sensitive integrated circuits from electrostatic discharge.

Overview

# Samsung Galaxy S4 Screen Replacement Repair Guide Action-specific screen replacement walkthrough for the Samsung Galaxy S4. About 50 minutes across 23 steps. This DIY guide walks through screen replacement on the Samsung Galaxy S4 (Galaxy S series phone). Before you open the device, confirm the exact model number on the Samsung settings screen or rear housing so your replacement part matches the Galaxy S4 specifically—not a similar Galaxy S sibling. Most DIY techs finish this Samsung Galaxy S4 screen replacement in about 50 minutes when parts and tools are ready. Difficulty is rated advanced for this model. Recommended tools for this Samsung Galaxy S4 job: Phillips #000 screwdriver, Plastic prying tool, Spudger tool, Tweezers, Heat gun or hair dryer. Parts and supplies: Replacement Samsung Galaxy S4 screen assembly, Double-sided adhesive strips, 99% Isopropyl alcohol. Power the Galaxy S4 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 Samsung Galaxy S4, 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

    Power Off the Phone

    1 min

    Press and hold the Power button, then tap Power Off on the screen. Ensure the device is fully powered down before continuing.

  2. 2

    Remove the Back Cover

    1 min

    Insert a fingernail or plastic prying tool into the notch near the top edge. Pry the rear cover up and away from the body.

  3. 3

    Remove the Battery

    1 min

    Lift the battery out from the bottom recess. Store it safely off to the side.

  4. 4

    Remove SIM and MicroSD Cards

    2 min

    Push the microSD card and micro-SIM card inward to release their spring latches. Slide both cards out of their respective slots.

  5. 5

    Unscrew the Midframe

    3 min

    Use a Phillips #000 screwdriver to remove the nine screws securing the midframe to the display assembly.

  6. 6

    Detach the Midframe

    3 min

    Insert a plastic prying tool between the midframe and the front assembly along the inner seam. Pry along the edges to release the perimeter clips and pull the midframe off.

  7. 7

    Disconnect Display and Digitizer Connectors

    2 min

    Use the flat end of a spudger to pry up the display cable connector and digitizer cable connector from the top section of the motherboard.

  8. 8

    Disconnect Upper Component Cables

    3 min

    Disconnect the front-facing camera, earpiece speaker sensor assembly, and headphone jack press-fit connectors from the upper motherboard.

  9. 9

    Disconnect the Sub-Board Cable

    2 min

    Pry up the lower sub-board flex connector near the bottom left area of the motherboard.

  10. 10

    Remove the Motherboard Screw

    1 min

    Remove the single Phillips #000 screw holding the motherboard frame in place near the top right.

  11. 11

    Lift Out the Motherboard

    2 min

    Gently lift the motherboard by its edges and pull it clear of the display housing. Place it on an anti-static mat.

  12. 12

    Remove the Front-Facing Camera

    1 min

    Use tweezers to lift the front camera out of its recess in the display frame.

  13. 13

    Remove the Earpiece and Headphone Jack

    2 min

    Pry up the headphone jack and earpiece speaker module using a spudger. Lift the connected assembly out of the top slot.

  14. 14

    Remove the Vibration Motor

    2 min

    Carefully pry the small circular vibration motor out of its sticky socket using tweezers.

  15. 15

    Heat the Lower Sub-Board Assembly

    2 min

    Apply heat from a heat gun or hairdryer to the bottom home button region for 30 seconds to soften the underlying adhesive.

  16. 16

    Detach the Home Button Sub-Board

    3 min

    Pry up the menu and back soft-key ribbons along with the home button switch using a spudger. Lift the lower sub-board assembly free.

  17. 17

    Transfer Small Components to New Screen Assembly

    5 min

    Place the vibration motor, earpiece assembly, front camera, and sub-board into their matching slots on the new display assembly.

  18. 18

    Reinstall the Motherboard

    3 min

    Position the motherboard into the new display frame, ensuring no flex cables are trapped beneath it. Secure it with the single Phillips screw.

  19. 19

    Reconnect Motherboard Flex Cables

    3 min

    Press down firmly on all display, digitizer, camera, sensor, and sub-board connectors until they snap into place on the motherboard.

  20. 20

    Snap the Midframe into Place

    2 min

    Align the midframe over the rear assembly and press firmly around all edges until the plastic clips engage securely.

  21. 21

    Secure Midframe Screws

    3 min

    Tighten the nine Phillips #000 screws around the midframe to lock the housing together.

  22. 22

    Reinsert Cards and Battery

    2 min

    Push the SIM card and microSD card back into their slots. Insert the battery with its contact points facing the top connectors.

  23. 23

    Reattach the Rear Cover

    1 min

    Align the back cover over the phone chassis and press around all perimeter edges until it clicks flat.

After your Samsung Galaxy S4 screen replacement

Power the Galaxy S4 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 Samsung Galaxy S4 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.

Keep learning

Explore more Samsung Galaxy S4 repair context in the encyclopedia, or open related DIY guides.

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