Phone · Samsung · Galaxy Note 20 Ultra
Samsung Galaxy Note 20 Ultra Battery Replacement
Battery Replacement guide for the Samsung Galaxy Note 20 Ultra
Before you begin
Tools
- Phillips #00 screwdriver
- Suction handle
- Plastic opening picks
- Plastic spudger
- Heat gun or heating pad
- SIM eject tool
- Tweezers
Parts / materials
- Replacement battery for Galaxy Note 20 Ultra
- Battery adhesive strips
- High-concentration isopropyl alcohol (90%+)
- Rear glass replacement adhesive
Safety
- Discharge the battery below 25% before starting the repair to prevent thermal runaway if punctured.
- Wear eye protection when applying heat and handling glass elements.
- Never use metal tools directly against the battery to prevent electrical shorting or puncturing.
Overview
Step-by-step
- 1
Remove S Pen and SIM Tray
2 minPress the S Pen inward to release it, then pull it out. Insert a SIM eject tool into the tray hole at the top to pop out the SIM tray.
- 2
Heat the Rear Glass
3 minApply a heat gun or heating pad to the rear glass panel for two minutes to soften the perimeter adhesive.
- 3
Attach Suction Handle
1 minPlace a suction cup near the bottom edge of the back glass and pull upward gently to create a small gap.
- 4
Insert Opening Pick
2 minInsert a plastic opening pick into the gap between the glass back cover and the phone frame.
- 5
Slice Rear Glass Adhesive
5 minSlide the pick around all four edges of the device to cut through the frame adhesive. Keep depth shallow near the camera housing.
- 6
Remove Rear Glass
1 minGently lift the rear cover off the phone frame and place it safely aside.
- 7
Unscrew Wireless Charging Assembly
3 minUse a Phillips #00 screwdriver to remove the 5 screws securing the wireless charging coil and top shield.
- 8
Detach Wireless Charging Coil
2 minPeel up the wireless charging coil pad carefully and lift the plastic bracket off the motherboard.
- 9
Disconnect Battery Press Connector
1 minUse a plastic spudger to pry the battery connector straight up from its motherboard socket to disconnect power.
- 10
Unscrew Lower Speaker Module
3 minRemove the 5 Phillips #00 screws securing the loudspeaker assembly at the bottom of the device.
- 11
Remove Speaker Module
2 minInsert a spudger beneath the edge of the loudspeaker assembly and pry it up out of the chassis.
- 12
Disconnect Interconnect Flex Cables
2 minDisconnect the main board-to-board and display flex cables that run directly over the battery.
- 13
Apply Isopropyl Alcohol
3 minDrop a few drops of high-concentration isopropyl alcohol along the top and bottom edges of the battery to weaken the glue.
- 14
Pry Battery from Frame
4 minInsert a flat plastic opening card beneath the battery edge and gently push upward to break the adhesive bond.
- 15
Remove Spent Battery
1 minLift the old battery out of the chassis while taking care not to bend or puncture the casing.
- 16
Clean Battery Recess
2 minWipe away remaining adhesive residue inside the battery well using isopropyl alcohol and a lint-free cloth.
- 17
Apply New Adhesive Strips
2 minPlace new pre-cut battery adhesive strips into the cleaned battery compartment and peel off the protective backing.
- 18
Install Replacement Battery
2 minAlign the new battery into the cavity and press it firmly into position to set the adhesive.
After your Samsung Galaxy Note 20 Ultra battery replacement
Power the Galaxy Note 20 Ultra back on and test the battery 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 Note 20 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 Note 20 Ultra repair context in the encyclopedia, or open related DIY guides.
