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Samsung Galaxy S25 Battery Replacement

Battery Replacement guide for the Samsung Galaxy S25

Moderate
~36 min
18 steps

Before you begin

Tools

  • Precision screwdriver set (Phillips #00)
  • Plastic opening tools
  • Anti-static wrist strap
  • Tweezers
  • Suction cup
  • Heat gun or iOpener
  • Plastic opening picks

Parts / materials

  • Samsung Galaxy S25 replacement battery
  • Pre-cut battery adhesive strips
  • Back glass adhesive seal
  • 90%+ Isopropyl alcohol

Safety

  • Discharge the battery below 25% before disassembly to reduce the risk of thermal runaway if damaged.
  • Wear safety glasses to protect your eyes when handling heated glass and adhesive solvents.
  • Use only plastic opening tools near the battery to prevent electrical short circuits or accidental punctures.

Overview

# Samsung Galaxy S25 Battery Replacement Repair Guide Action-specific battery replacement walkthrough for the Samsung Galaxy S25. About 36 minutes across 18 steps. This DIY guide walks through battery replacement on the Samsung Galaxy S25 (Galaxy S 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 S25 specifically—not a similar Galaxy S sibling. Most DIY techs finish this Samsung Galaxy S25 battery replacement in about 36 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Samsung Galaxy S25 job: Precision screwdriver set (Phillips #00), Plastic opening tools, Anti-static wrist strap, Tweezers, Suction cup, Heat gun or iOpener, Plastic opening picks. Parts and supplies: Samsung Galaxy S25 replacement battery, Pre-cut battery adhesive strips, Back glass adhesive seal, 90%+ Isopropyl alcohol. Power the Galaxy S25 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 S25, 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 Galaxy S25

    1 min

    Press and hold the Side and Volume Down buttons, then select Power Off on the screen.

  2. 2

    Heat the Back Glass

    2 min

    Apply a heated pad or heat gun around the edges of the back cover for two minutes to soften the perimeter adhesive.

  3. 3

    Attach Suction Cup

    1 min

    Place a suction cup near the bottom edge of the back glass and press down firmly to secure a grip.

  4. 4

    Create an Entry Gap

    2 min

    Pull upward on the suction cup handle to create a slight gap between the back glass and the frame.

  5. 5

    Insert Opening Pick

    1 min

    Insert a thin plastic opening pick into the gap created at the bottom edge of the phone.

  6. 6

    Slice Side Adhesive

    3 min

    Slide the opening pick along the left and right edges to cut through the frame adhesive.

  7. 7

    Slice Top Adhesive

    2 min

    Carefully guide the pick across the top edge to release the final section of back glass adhesive.

  8. 8

    Remove Back Glass

    1 min

    Lift the rear glass off the frame and set it aside on a soft, clean surface.

  9. 9

    Unscrew Wireless Charging Module

    3 min

    Use a Phillips #00 screwdriver to remove the screws securing the upper motherboard shield and wireless charging pad.

  10. 10

    Detach Wireless Charging Pad

    2 min

    Pry up the wireless charging coil connector with a plastic spudger and gently peel the assembly off the phone.

  11. 11

    Disconnect Battery Connector

    1 min

    Use the flat end of a plastic spudger to pry the battery connector straight up from the motherboard socket.

  12. 12

    Unscrew Loudspeaker Module

    2 min

    Remove the Phillips #00 screws securing the lower loudspeaker housing at the bottom of the device.

  13. 13

    Remove Lower Loudspeaker

    2 min

    Insert your opening tool under the edge of the loudspeaker assembly and lift it out of the chassis.

  14. 14

    Apply Isopropyl Alcohol

    3 min

    Dispense a few drops of high-concentration isopropyl alcohol along the top and side borders of the battery.

  15. 15

    Pry Out Old Battery

    4 min

    Insert a plastic card or flat spudger under the battery edge and gently lever it upward until the adhesive releases.

  16. 16

    Remove Old Battery

    1 min

    Lift the depleted battery out of the frame chassis, taking care not to bend or puncture it.

  17. 17

    Clean Adhesive Residue

    2 min

    Wipe the battery housing area with isopropyl alcohol and a lint-free cloth to remove residual glue.

  18. 18

    Install New Battery

    3 min

    Apply new adhesive strips to the chassis, press the replacement battery into place, and reconnect its cable.

After your Samsung Galaxy S25 battery replacement

Power the Galaxy S25 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 S25 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 S25 repair context in the encyclopedia, or open related DIY guides.

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