Phone · Samsung · Galaxy S20 Ultra
Samsung Galaxy S20 Ultra Screen Replacement
Screen Replacement guide for the Samsung Galaxy S20 Ultra
Before you begin
Tools
- Phillips #00 Precision Screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying picks
- Plastic spudger
- Tweezers
- SIM card eject tool
Parts / materials
- Replacement Samsung Galaxy S20 Ultra screen assembly with frame
- Pre-cut back cover adhesive sticker
- Isopropyl alcohol (99%)
Safety
- Wear protective safety glasses to prevent eye injury from cracked glass splinters.
- Disconnect the battery cable immediately after opening the device to prevent electrical short circuits.
- Do not puncture, bend, or heat the lithium-ion battery directly.
Overview
Step-by-step
- 1
Power Off the Phone
1 minPress and hold the Power and Volume Down buttons until the power menu appears. Tap Power Off and wait for the screen to go completely dark.
- 2
Eject the SIM Tray
1 minInsert a SIM eject tool into the small hole at the top edge of the device. Press firmly until the tray pops out, then remove it.
- 3
Heat the Back Glass
3 minUse a heat gun or hair dryer on medium heat to warm the rear cover edges for 2 to 3 minutes. This softens the strong factory adhesive securing the panel.
- 4
Attach Suction Cup
2 minPlace a suction cup near the bottom edge of the back glass panel. Pull gently upward to create a tiny gap between the glass and the midframe.
- 5
Slice Back Cover Adhesive
5 minInsert a plastic opening pick into the gap created by the suction cup. Carefully slide the pick around all four edges to slice through the adhesive.
- 6
Remove the Back Glass
1 minLift the rear glass carefully off the frame once all adhesive is severed. Set the back panel aside in a safe, clean space.
- 7
Unscrew Wireless Charging Coil
3 minUse a Phillips #00 screwdriver to remove the 15 screws securing the upper motherboard bracket and wireless charging pad assembly.
- 8
Disconnect Battery Connector
2 minGently peel up the wireless charging coil assembly to reveal the mainboard. Use a plastic spudger to pry the battery flex cable straight up off its socket.
- 9
Remove Loudspeaker Assembly
3 minRemove five Phillips #00 screws holding the lower speaker enclosure in place. Use tweezers to lift the loudspeaker module out of the frame.
- 10
Disconnect Display and Interconnect Cables
2 minUse your spudger to detach the main flex ribbon, sub flex ribbon, and primary display connector from the mainboard and daughterboard.
- 11
Remove the Main Motherboard
3 minUnscrew the single Phillips screw securing the main board, disconnect the front camera, and lift the motherboard out of the frame.
- 12
Remove Bottom Daughterboard
2 minUnscrew three Phillips screws holding the charging port board in place. Lift the daughterboard out from the lower frame cavity.
- 13
Remove Vibration Motor and Earpiece
4 minApply light heat to the top front of the frame. Use tweezers to pry out the earpiece speaker and vibration motor from their recessed housings.
- 14
Install Hardware into New Screen Frame
4 minPlace the earpiece speaker and vibration motor into their corresponding slots on the new display assembly, using adhesive if required.
- 15
Reinstall Motherboard and Daughterboard
3 minSet the main motherboard and lower charging daughterboard into the new screen frame. Secure both boards with their dedicated Phillips screws.
- 16
Reconnect All Interconnect Cables
3 minAttach the main display, sub flex, and front camera ribbons to their sockets by pressing gently until they snap into place.
- 17
Reattach Loudspeaker and Wireless Assembly
4 minReconnect the battery press connector, then reinstall the lower speaker and upper wireless charging pad. Fasten all Phillips screws back into place.
- 18
Seal the Back Glass
3 minApply a fresh pre-cut adhesive strip to the frame edges. Align the back glass cover and press down firmly around the perimeter to seal.
After your Samsung Galaxy S20 Ultra screen replacement
Power the Galaxy S20 Ultra 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 Ultra 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 Ultra repair context in the encyclopedia, or open related DIY guides.

