Phone · Samsung · Galaxy Z Flip 4 5G
Samsung Galaxy Z Flip 4 5G Battery Replacement
Battery Replacement guide for the Samsung Galaxy Z Flip 4 5G
Before you begin
Tools
- Heat gun or hair dryer
- Phillips #000 screwdriver
- Suction cup tool
- Plastic opening picks
- Plastic spudger
- SIM eject tool
- Tweezers
Parts / materials
- Replacement Galaxy Z Flip 4 dual batteries
- High-purity isopropyl alcohol (90%+)
- Pre-cut back glass adhesive strips
Safety
- Wear safety glasses while heating glass panels to protect against shards.
- Do not puncture, bend, or apply excessive force to lithium-ion batteries to avoid fire hazards.
- Wear an anti-static wrist strap to prevent electrostatic damage to delicate internal boards.
Overview
Step-by-step
- 1
Power Off and Eject SIM Tray
2 minTurn off your device completely to prevent electrical shorts. Insert a SIM eject tool into the tray hole on the left frame and pull the tray out.
- 2
Heat Upper Back Glass
3 minApply a heat gun or hair dryer to the upper back glass for two minutes to soften the frame adhesive.
- 3
Create Access Gap on Upper Glass
2 minAttach a suction cup near the top edge of the upper glass panel and pull upward to create a small opening.
- 4
Slice Upper Glass Adhesive
4 minInsert a plastic opening pick into the gap and slide it carefully along the outer perimeter to sever the adhesive.
- 5
Remove Upper Glass Cover
2 minGently lift the upper back glass panel off the phone frame and place it aside on your work mat.
- 6
Heat Lower Back Glass
3 minWarm the lower back glass section with your heat gun for two minutes to soften the glue.
- 7
Slice Lower Glass Adhesive
4 minPlace a suction cup on the lower panel, lift up, and slide a plastic pick around the three exposed edges.
- 8
Remove Lower Glass Cover
2 minLift and remove the lower back glass panel from the chassis.
- 9
Unscrew Upper Cover Bracket
4 minUse a Phillips #000 screwdriver to remove the ten screws securing the upper motherboard shield.
- 10
Remove Upper Shield Module
2 minPry up the upper shield containing the wireless charging coil with a plastic spudger and remove it.
- 11
Disconnect Upper Battery
2 minUse the flat end of a plastic spudger to pry the upper battery flex cable directly up from its motherboard socket.
- 12
Unscrew Lower Speaker Assembly
3 minRemove the seven Phillips #000 screws holding the bottom speaker housing in place.
- 13
Remove Lower Speaker Unit
2 minGently pry up and remove the lower speaker housing to expose the sub-board area.
- 14
Disconnect Lower Battery
2 minDisconnect the lower battery flex connector from the sub-board using a plastic spudger.
- 15
Soak Lower Battery Adhesive
3 minApply a few drops of high-concentration isopropyl alcohol along the edges of the lower battery to break down the adhesive.
- 16
Pry Out Lower Battery
4 minInsert a flat plastic tool under the lower battery and slowly lever it out from the well.
- 17
Soak Upper Battery Adhesive
3 minDispense a small amount of isopropyl alcohol around the sides of the upper battery.
- 18
Pry Out Upper Battery
4 minSlide a plastic spudger beneath the upper battery edge and lift it out from the housing frame.
After your Samsung Galaxy Z Flip 4 5G battery replacement
Power the Galaxy Z Flip 4 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 Flip 4 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 Flip 4 5G battery replacement at LML Repair in Seattle — same-day options available.

