Phone · Samsung · Galaxy Note 20
Samsung Galaxy Note 20 Logic Board Repair
Logic Board Repair guide for the Samsung Galaxy Note 20
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Phillips #00 screwdriver
- Spudger tool
- Tweezers
- Anti-static wrist strap
Parts / materials
- Replacement Samsung Galaxy Note 20 logic board
- Pre-cut back cover adhesive sticker
- 99% Isopropyl alcohol
- Thermal pad or thermal paste
Safety
- Wear eye protection when heating and prying glass panels.
- Wear an anti-static wrist strap to prevent electrostatic discharge damage to microchips.
- Always disconnect the battery before unplugging or replacing any internal components.
Overview
Step-by-step
- 1
Eject the S Pen
1 minPress the end of the S Pen to release it, then slide it completely out of the phone body.
- 2
Remove the SIM card tray
1 minInsert a SIM eject tool into the pinhole on top of the frame to pop out the SIM card tray.
- 3
Heat the rear glass panel
3 minApply a heat gun set to low along all four edges of the back glass for 2 to 3 minutes to soften the adhesive.
- 4
Slice the back cover adhesive
4 minAttach a suction cup near the bottom edge, pull upward, and insert a plastic prying pick into the gap.
- 5
Lift off the back cover
3 minSlide the plastic pick carefully around all perimeter edges, then remove the glass cover from the chassis.
- 6
Unscrew the wireless charging bracket
2 minRemove the five Phillips #00 screws holding down the upper antenna cover and wireless charging pad.
- 7
Remove the wireless charging coil
2 minGently pry up the edges of the upper plastic cover and peel the wireless charging pad away from the assembly.
- 8
Disconnect the battery press connector
1 minUse the flat end of a spudger to pry the battery flex cable straight up from its motherboard socket.
- 9
Unscrew the lower speaker module
2 minRemove the five Phillips #00 screws securing the loudspeaker enclosure at the bottom of the device.
- 10
Remove the loudspeaker assembly
2 minInsert a spudger under the notch of the speaker housing and lift it up out of the frame.
- 11
Disconnect interconnect and display flex cables
3 minUse a spudger to disconnect the display, main sub-board, and power/volume button connectors from the logic board.
- 12
Disconnect the front camera
2 minPry the front-facing camera connector off the board and lift the camera module out of its recessed notch.
- 13
Unscrew the logic board motherboard
1 minRemove the single Phillips #00 screw holding the top section of the logic board to the metal chassis.
- 14
Lift out the logic board
3 minCarefully grip the top edge of the logic board and tilt it out of the frame assembly.
After your Samsung Galaxy Note 20 logic board repair
Power the Galaxy Note 20 back on and test the logic board repair 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 Note 20 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 Note 20 repair context in the encyclopedia, or open related DIY guides.
