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Phone · Samsung · Galaxy Z Flip 4G

Samsung Galaxy Z Flip 4G Battery Replacement

Battery Replacement guide for the Samsung Galaxy Z Flip 4G

Moderate
~41 min
16 steps

Before you begin

Tools

  • Phillips #00 screwdriver
  • Heat gun or iOpener
  • Suction handle
  • Plastic opening picks
  • Plastic spudger
  • Flat opening card

Parts / materials

  • Replacement Z Flip 4G battery set
  • Pre-cut back panel adhesive strips
  • Isopropyl alcohol (99%)

Safety

  • Discharge the batteries below 25% before starting to prevent potential thermal runaway.
  • Wear safety glasses while applying heat and prying glass panels.
  • Do not puncture or bend the flexible lithium-polymer battery cells.

Overview

# Samsung Galaxy Z Flip 4G Battery Replacement Repair Guide Action-specific battery replacement walkthrough for the Samsung Galaxy Z Flip 4G. About 41 minutes across 16 steps. This DIY guide walks through battery replacement on the Samsung Galaxy Z Flip 4G (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 4G specifically—not a similar Galaxy Z sibling. Most DIY techs finish this Samsung Galaxy Z Flip 4G battery replacement in about 41 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Samsung Galaxy Z Flip 4G job: Phillips #00 screwdriver, Heat gun or iOpener, Suction handle, Plastic opening picks, Plastic spudger, Flat opening card. Parts and supplies: Replacement Z Flip 4G battery set, Pre-cut back panel adhesive strips, Isopropyl alcohol (99%). Power the Galaxy Z Flip 4G 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 4G, 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 the device

    1 min

    Press and hold the Power and Volume Down buttons, then tap Power Off on the screen to completely shutdown the phone.

  2. 2

    Heat the lower back glass panel

    3 min

    Apply a heated iOpener or heat gun to the lower rear glass panel for two minutes to soften the underlying adhesive.

  3. 3

    Attach a suction handle

    2 min

    Place a suction cup near the bottom edge of the lower back glass and pull upward firmly to create a gap.

  4. 4

    Insert an opening pick

    1 min

    Insert the tip of a plastic opening pick into the gap created by the suction cup.

  5. 5

    Slice the lower panel adhesive

    4 min

    Slide the opening pick along all four sides of the lower back glass to slice through the adhesive.

  6. 6

    Remove the lower back glass

    1 min

    Carefully lift the lower back panel off the frame and set it aside.

  7. 7

    Heat the upper glass panel

    3 min

    Apply heat to the upper back cover around the camera display for two minutes.

  8. 8

    Slice the upper panel adhesive

    4 min

    Insert a pick under the upper glass edge and carefully cut through the adhesive surrounding the perimeter.

  9. 9

    Remove the upper back glass

    1 min

    Lift the upper back glass straight up from the phone body and remove it.

  10. 10

    Unscrew the lower bracket screws

    3 min

    Use a Phillips #00 screwdriver to remove the five screws securing the lower motherboard cover and wireless charging coil.

  11. 11

    Disconnect the main battery

    2 min

    Use the flat end of a plastic spudger to lever up and disconnect the lower battery press connector.

  12. 12

    Unscrew the upper motherboard shield

    3 min

    Remove the six Phillips #00 screws holding the upper motherboard shield and speaker assembly in place.

  13. 13

    Disconnect the upper battery

    2 min

    Pry up the secondary top battery connector from its socket on the upper motherboard using a spudger.

  14. 14

    Apply adhesive remover to the lower battery

    3 min

    Apply a few drops of isopropyl alcohol around the edges of the lower battery cell to weaken the adhesive underneath.

  15. 15

    Remove the lower battery

    4 min

    Insert a flat plastic card under the lower battery and gently lever it out of the chassis casing.

  16. 16

    Remove the upper battery

    4 min

    Apply isopropyl alcohol around the top battery, then carefully pry it up using a flat spudger until it releases from the frame.

After your Samsung Galaxy Z Flip 4G battery replacement

Power the Galaxy Z Flip 4G 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 4G 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 4G battery replacement at LML Repair in Seattle — same-day options available.