Phone · Samsung · Galaxy Z Fold 2 5G
Samsung Galaxy Z Fold 2 5G Battery Replacement
Battery Replacement guide for the Samsung Galaxy Z Fold 2 5G
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Opening picks
- Precision screwdriver set (Phillips #000)
- Spudger tool
- SIM eject tool
- Tweezers
Parts / materials
- Galaxy Z Fold 2 replacement batteries
- Battery adhesive removal strips
- Isopropyl alcohol (90%+)
- Pre-cut back glass adhesive strips
Safety
- Wear protective safety glasses to guard against accidental glass splinters.
- Do not bend, puncture, or apply sharp metal tools directly to lithium-ion batteries.
- Ensure your workspace is well-ventilated when using isopropyl alcohol.
Overview
Step-by-step
- 1
Power off device
1 minTurn off your Samsung Galaxy Z Fold 2 5G completely before starting disassembly.
- 2
Remove SIM card tray
1 minInsert a SIM eject tool into the hole on the left edge and push to eject the SIM tray.
- 3
Heat the rear glass cover
2 minApply a heat gun set to low along the rear glass cover edges for two minutes to soften the adhesive.
- 4
Attach suction cup to rear glass
1 minPress a suction cup onto the lower section of the rear glass and pull upward to create a slight gap.
- 5
Slice rear glass adhesive
4 minInsert an opening pick into the gap and slide it along the perimeter to slice through the adhesive.
- 6
Lift off the rear glass panel
1 minCarefully separate and lift the rear glass panel away from the frame.
- 7
Unscrew top motherboard bracket
3 minRemove the Phillips #000 screws securing the top midframe and wireless charging coil bracket.
- 8
Remove wireless charging assembly
2 minDisconnect the wireless charging ribbon cable and peel the coil off the main housing.
- 9
Disconnect primary battery
1 minUse a plastic spudger to disconnect the primary battery connector from the motherboard.
- 10
Heat cover screen back glass
2 minWarm the outer edges of the secondary back glass panel for two minutes with a heat gun.
- 11
Slice secondary glass adhesive
4 minCreate a gap using a suction cup and slide an opening pick around the edge to cut the adhesive.
- 12
Remove secondary back glass
1 minLift the secondary glass panel clear of the chassis to expose the lower sub-board area.
- 13
Unscrew sub-board bracket
2 minRemove the Phillips #000 screws securing the lower sub-board protective cover.
- 14
Disconnect secondary battery
1 minPry the secondary battery flex cable straight up from the sub-board connector using a spudger.
- 15
Soak primary battery adhesive
2 minApply a few drops of high-concentration isopropyl alcohol along the gaps around the primary battery.
- 16
Remove primary battery
3 minSlide a plastic card beneath the primary battery and gently lever it out of the recess.
- 17
Soak secondary battery adhesive
2 minApply isopropyl alcohol around the edges of the secondary battery to weaken its adhesive bond.
- 18
Remove secondary battery
3 minInsert a flat plastic card under the secondary battery and carefully lever it free.
- 19
Install replacement batteries
3 minApply new adhesive strips into both battery wells and firmly press the replacement batteries into place.
After your Samsung Galaxy Z Fold 2 5G battery replacement
Power the Galaxy Z Fold 2 5G 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 Z Fold 2 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 Fold 2 5G battery replacement at LML Repair in Seattle — same-day options available.

