Phone · Samsung · Galaxy S20
Samsung Galaxy S20 Screen Replacement
Screen Replacement guide for the Samsung Galaxy S20
Before you begin
Tools
- Precision Phillips #00 screwdriver
- Plastic opening picks
- Suction cup
- Plastic spudger
- Heat gun or hairdryer
- Tweezers
- SIM eject tool
Parts / materials
- Samsung Galaxy S20 replacement screen assembly with frame
- High-purity isopropyl alcohol (91% or higher)
- Pre-cut back glass adhesive panel
Safety
- Wear safety glasses to protect your eyes from fine shattered glass splinters.
- Discharge the phone battery below 25% before beginning repair to avoid thermal runaway.
- Work in a well-ventilated area when using isopropyl alcohol and heat tools.
Overview
Step-by-step
- 1
Power Off Device
1 minPress and hold the Power and Volume Down buttons, then select Power Off on the screen. Ensure the device is completely powered down before continuing.
- 2
Remove SIM Tray
1 minInsert the SIM eject tool into the pinhole on the top edge of the phone. Push firmly to eject the tray, then remove it.
- 3
Heat Back Glass
3 minUse a heat gun or hairdryer on medium heat to warm the outer edges of the rear glass for 2 to 3 minutes. This softens the strong factory perimeter adhesive.
- 4
Attach Suction Cup
1 minPlace a suction cup on the bottom third of the rear glass near the charging port. Press down firmly to create a tight vacuum seal.
- 5
Create Opening Seam
2 minPull up firmly on the suction cup to lift the rear panel slightly away from the frame. Insert a plastic opening pick into the small seam.
- 6
Slice Perimeter Adhesive
5 minSlide the opening pick around all four edges of the back glass to slice through the adhesive. Do not insert the pick deeper than 4 mm to avoid damaging inner cables.
- 7
Lift Off Back Glass
2 minGently lift the back glass panel up and separate it from the phone body. Store it carefully on a clean surface.
- 8
Unscrew Wireless Charging Shield
2 minRemove the five Phillips #00 screws securing the plastic top shield and attached wireless charging pad.
- 9
Remove Wireless Charging Pad
2 minUse a plastic spudger to unclip the edges of the wireless charging pad assembly. Gently lift and remove it from the phone.
- 10
Disconnect Battery Flex
1 minPry the battery flex connector straight up from its motherboard socket using a plastic spudger. This cuts power to prevent electrical shorts.
- 11
Unscrew Lower Loudspeaker
2 minRemove the six Phillips #00 screws securing the bottom loudspeaker enclosure.
- 12
Remove Loudspeaker Module
2 minInsert a spudger under the top lip of the loudspeaker housing and pry upward to remove it.
- 13
Disconnect Display Cable
1 minPry up the display flex cable connector attached near the lower section of the motherboard.
- 14
Disconnect Interconnect Cables
2 minDisconnect both main interconnect extension flex cables connecting the motherboard to the lower sub-board.
- 15
Unscrew Motherboard
2 minRemove the single Phillips #00 screw holding the motherboard bracket located near the top rear camera cluster.
- 16
Lift Motherboard Assembly
3 minCarefully lift the motherboard out of the frame housing by grabbing the top corners. Place it safely on an anti-static mat.
- 17
Remove Vibration Motor
2 minApply a drop of high-purity isopropyl alcohol around the haptic vibration motor. Pry it out using precision tweezers.
- 18
Loosen Battery Adhesive
3 minApply high-purity isopropyl alcohol along the top and bottom outer edges of the battery. Allow 2 minutes for the solvent to dissolve the glue.
- 19
Pry Out Battery
4 minPlace a suction cup on the battery and lever it upward using a broad plastic opening tool. Never insert metal tools near the battery pouch.
- 20
Transfer Components to New Screen
10 minTransfer the battery, vibration motor, sub-board, and motherboard into the new frame assembly. Reassemble the remaining components in reverse order.
After your Samsung Galaxy S20 screen replacement
Power the Galaxy S20 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 S20 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 S20 repair context in the encyclopedia, or open related DIY guides.

