Phone · Samsung · Galaxy Z Flip 4 5G
Samsung Galaxy Z Flip 4 5G Screen Replacement
Screen Replacement guide for the Samsung Galaxy Z Flip 4 5G
Before you begin
Tools
- Heat gun or hair dryer
- Precision screwdriver set (Phillips #000)
- Plastic prying tools
- Suction cup tool
- Tweezers
- Spudger tool
- Plastic opening picks
Parts / materials
- Replacement foldable screen assembly
- Pre-cut screen adhesive strips
- Rear glass replacement adhesive
- Isopropyl alcohol
Safety
- Wear safety glasses to protect against potential glass shards.
- Use heat-resistant gloves when handling hot components.
- Wear an anti-static wrist strap to prevent ESD damage to delicate circuits.
Overview
Step-by-step
- 1
Power off device
1 minPress and hold the power and volume down buttons to switch off the Galaxy Z Flip 4 completely.
- 2
Heat top rear cover
2 minApply a heat gun to the upper rear glass for two minutes to soften the underlying adhesive.
- 3
Attach suction tool
1 minPlace a suction cup on the upper rear glass panel near the lower corner.
- 4
Slice top glass adhesive
3 minInsert a thin plastic opening pick into the gap and slide it along the perimeter to sever the adhesive.
- 5
Remove upper rear panel
2 minCarefully lift and detach the upper glass cover from the phone body.
- 6
Heat lower glass cover
2 minHeat the lower rear glass panel with a heat gun for two minutes.
- 7
Slice lower glass adhesive
3 minInsert a plastic pick beneath the lower glass panel and cut through the perimeter adhesive.
- 8
Remove lower rear panel
2 minLift the lower rear glass panel off the chassis and set it aside.
- 9
Unscrew top motherboard bracket
3 minRemove the Phillips #000 screws holding the motherboard bracket and wireless charging coil.
- 10
Remove wireless charging coil
2 minPry up gently and remove the wireless charging assembly to expose the motherboard.
- 11
Disconnect battery flex cables
2 minUse a plastic spudger to pry up both upper and lower battery flex connectors from the motherboard.
- 12
Unscrew speaker module
2 minRemove the Phillips #000 screws securing the bottom speaker housing.
- 13
Remove bottom speaker housing
2 minLift the lower speaker assembly out of the lower chassis frame.
- 14
Disconnect main screen flex cable
2 minDisconnect the main foldable display flex cable from the main board using a spudger.
- 15
Pry off inner plastic bumper trim
4 minCarefully detach the thin plastic perimeter frame surrounding the inner folding display.
- 16
Warm inner display edges
3 minApply mild heat around the border of the inner main display to loosen screen adhesive.
- 17
Insert opening card under inner screen
3 minGently insert a thin plastic card beneath the display edge near the bottom corner.
- 18
Slice inner display adhesive
5 minSlowly slide the plastic card under the screen panel toward the hinge to free it from the frame.
- 19
Remove damaged screen assembly
3 minThread the screen flex cables through the frame slot and lift the foldable display away.
- 20
Clean frame adhesive residue
4 minScrape away old tape and clean the inner frame with isopropyl alcohol.
- 21
Apply new screen adhesive
4 minLay fresh precut adhesive strips precisely along the inner display frame borders.
- 22
Thread new screen flex cables
3 minGuide the new display flex cables through the chassis slots into the motherboard compartment.
- 23
Align and press replacement screen
4 minCarefully set the folding display into the frame, applying uniform pressure along all edges.
- 24
Reconnect screen and battery flexes
3 minPress the main screen display connector and both battery cables firmly onto the motherboard.
- 25
Reinstall lower speaker and upper bracket
4 minPlace the speaker and wireless coil brackets back in position and tighten all Phillips screws.
- 26
Reattach rear glass covers
4 minApply new adhesive to the top and bottom rear glass panels and press them firmly onto the frame.
After your Samsung Galaxy Z Flip 4 5G screen replacement
Power the Galaxy Z Flip 4 5G 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 Z Flip 4 5G job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Prefer a professional repair?
Book Samsung Galaxy Z Flip 4 5G screen replacement at LML Repair in Seattle — same-day options available.

