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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

Moderate
~51 min
18 steps

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

# Samsung Galaxy Z Flip 4 5G Battery Replacement Repair Guide Action-specific battery replacement walkthrough for the Samsung Galaxy Z Flip 4 5G. About 51 minutes across 18 steps. This DIY guide walks through battery replacement on the Samsung Galaxy Z Flip 4 5G (Galaxy Z series phone). Before you open the device, confirm the exact model number on the Samsung settings screen or rear housing so your replacement part matches the Galaxy Z Flip 4 5G specifically—not a similar Galaxy Z sibling. Most DIY techs finish this Samsung Galaxy Z Flip 4 5G battery replacement in about 51 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Samsung Galaxy Z Flip 4 5G job: Heat gun or hair dryer, Phillips #000 screwdriver, Suction cup tool, Plastic opening picks, Plastic spudger, SIM eject tool, Tweezers. Parts and supplies: Replacement Galaxy Z Flip 4 dual batteries, High-purity isopropyl alcohol (90%+), Pre-cut back glass adhesive strips. Power the Galaxy Z Flip 4 5G off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Samsung Galaxy Z Flip 4 5G, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle battery replacement for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Power Off and Eject SIM Tray

    2 min

    Turn 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. 2

    Heat Upper Back Glass

    3 min

    Apply a heat gun or hair dryer to the upper back glass for two minutes to soften the frame adhesive.

  3. 3

    Create Access Gap on Upper Glass

    2 min

    Attach a suction cup near the top edge of the upper glass panel and pull upward to create a small opening.

  4. 4

    Slice Upper Glass Adhesive

    4 min

    Insert a plastic opening pick into the gap and slide it carefully along the outer perimeter to sever the adhesive.

  5. 5

    Remove Upper Glass Cover

    2 min

    Gently lift the upper back glass panel off the phone frame and place it aside on your work mat.

  6. 6

    Heat Lower Back Glass

    3 min

    Warm the lower back glass section with your heat gun for two minutes to soften the glue.

  7. 7

    Slice Lower Glass Adhesive

    4 min

    Place a suction cup on the lower panel, lift up, and slide a plastic pick around the three exposed edges.

  8. 8

    Remove Lower Glass Cover

    2 min

    Lift and remove the lower back glass panel from the chassis.

  9. 9

    Unscrew Upper Cover Bracket

    4 min

    Use a Phillips #000 screwdriver to remove the ten screws securing the upper motherboard shield.

  10. 10

    Remove Upper Shield Module

    2 min

    Pry up the upper shield containing the wireless charging coil with a plastic spudger and remove it.

  11. 11

    Disconnect Upper Battery

    2 min

    Use the flat end of a plastic spudger to pry the upper battery flex cable directly up from its motherboard socket.

  12. 12

    Unscrew Lower Speaker Assembly

    3 min

    Remove the seven Phillips #000 screws holding the bottom speaker housing in place.

  13. 13

    Remove Lower Speaker Unit

    2 min

    Gently pry up and remove the lower speaker housing to expose the sub-board area.

  14. 14

    Disconnect Lower Battery

    2 min

    Disconnect the lower battery flex connector from the sub-board using a plastic spudger.

  15. 15

    Soak Lower Battery Adhesive

    3 min

    Apply a few drops of high-concentration isopropyl alcohol along the edges of the lower battery to break down the adhesive.

  16. 16

    Pry Out Lower Battery

    4 min

    Insert a flat plastic tool under the lower battery and slowly lever it out from the well.

  17. 17

    Soak Upper Battery Adhesive

    3 min

    Dispense a small amount of isopropyl alcohol around the sides of the upper battery.

  18. 18

    Pry Out Upper Battery

    4 min

    Slide 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.