Phone · Samsung · Galaxy S3
Samsung Galaxy S3 Screen Replacement
Screen Replacement guide for the Samsung Galaxy S3
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic prying tools
- Spudger tool
- Suction cup tool
- Heat gun or hair dryer
- Tweezers
- Anti-static wrist strap
Parts / materials
- Replacement Galaxy S3 screen assembly
- Pre-cut display adhesive strips
- Isopropyl alcohol cleaning pads
Safety
- Remove the battery before disconnecting internal components to prevent electrical shorts.
- Wear safety glasses to protect your eyes from fine glass shards when separating cracked glass.
- Keep heat gun temperatures low to avoid damaging plastic components or causing thermal injury.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the Power button, then tap Power Off on the screen to shut down the device completely.
- 2
Remove the rear cover
1 minInsert a plastic prying tool into the notch near the top edge and lift the back cover off.
- 3
Extract the battery
1 minUse a plastic spudger to lift the battery out of its recess from the bottom slot.
- 4
Remove SIM and microSD cards
1 minPress down slightly and slide out both the SIM card and the microSD card from their respective slots.
- 5
Unscrew the midframe
3 minRemove the ten Phillips #00 screws holding the rear midframe to the device housing.
- 6
Unclip the midframe
2 minInsert a plastic pry tool between the chrome bezel and the front frame to unhook the perimeter clips.
- 7
Lift away the midframe
1 minCarefully lift and separate the midframe assembly from the front panel chassis.
- 8
Disconnect the display flex cable
1 minUse the flat end of a spudger to gently pop the display connector off the motherboard.
- 9
Disconnect front camera and sensor cable
1 minPry up the press connector for the front-facing camera module located near the top right of the board.
- 10
Disconnect headphone jack assembly
1 minUnplug the ear speaker and headphone jack ribbon cable connector from the upper left motherboard region.
- 11
Disconnect antenna coaxial cable
1 minUse tweezers to pop the blue antenna coaxial cable off its socket on the lower motherboard.
- 12
Remove motherboard mounting screw
1 minRemove the single Phillips #00 screw securing the motherboard near the top right corner.
- 13
Remove the motherboard
2 minGently lift the motherboard from the bottom edge and lift it out of the chassis.
- 14
Warm the glass adhesive
2 minApply heat with a heat gun on low setting around the edges of the front glass for 90 seconds.
- 15
Attach suction cup
1 minPress the suction cup firmly onto the upper half of the display glass to secure a hold.
- 16
Pry assembly off frame
4 minPull up gently on the suction cup while running a plastic opening card along the seam to slice adhesive.
- 17
Apply replacement adhesive
3 minClean remaining glue from the frame with isopropyl alcohol, then lay down pre-cut double-sided adhesive strips.
- 18
Install new screen assembly
2 minThread the display cable through the frame slot and press the new screen firmly into the adhesive channel.
After your Samsung Galaxy S3 screen replacement
Power the Galaxy S3 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 S3 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 S3 repair context in the encyclopedia, or open related DIY guides.
