Home Repair Guides Samsung Samsung Galaxy S Samsung Galaxy S20+ Samsung Galaxy S20+ Screen and Battery Assembly Replacement

Samsung Galaxy S20+ Screen and Battery Assembly Replacement

Note that retaining water resistance after repair depends on proper adhesive application, and the device's IP rating will be lost.

  • Verify you have the correct part before starting the repair.
  • If your battery is swollen, take necessary precautions.

Discharge the battery completely to reduce risk of thermal event during repair.

Minor image discontinuities will not impact overall guide procedure.

Step 1 | Eject the SIM tray

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Insert a SIM card eject tool, bent paperclip, or screwdriver bit into the top hole on the SIM tray.

  • Ensure you've inserted it into the correct hole (it won't damage microphone or ingress gasket).
  • Press in firmly to eject the tray.

Step 2 | Remove the SIM tray

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Remove the SIM card tray.

  • The SIM card will fall out easily.

When reinserting, ensure correct orientation to prevent damage.

A damaged or missing rubber gasket around the SIM tray can compromise water and dust protection. Replace it if necessary.

Step 3 | Heat the bottom edge

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Unplug your phone from power and turn it off.

  • Apply a heated iOpener to the back cover's bottom edge for two minutes.
  • Alternatively, use a hair dryer, heat gun, or hot plate, but avoid overheating:

Heat damage can harm your phone's display and internal battery.

Step 4 | Separate the bottom edge adhesive

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Apply a suction cup to the phone's back near the center of the bottom edge.

If your display is severely cracked, cover it with clear packing tape for better suction adherence.

  • If using tape, apply very strong adhesive or try supergluing the suction cup directly.

Pull on the suction cup firmly but steadily to create a gap between the back cover and frame.

Insert an opening pick into the gap at its point.

Be cautious: multiple attempts of reheating with an iOpener and suction may be necessary due to tight tolerances.

  • If initial separation is unsuccessful, reapply heat to the edge and try again.

Avoid applying excessive force with the pick to prevent cracking the back cover glass.

Step 5

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Avoid cutting near the phone's curved edges to prevent glass damage.

  • Slide the pick back and forth along the bottom edge to cut through the adhesive.
  • Leave the pick in the seam when finished to maintain access.

Step 6 | Heat the left edge

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Apply a heated iOpener to the left edge of the back cover for 2 minutes.

Step 7 | Separate the left edge adhesive

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Apply a suction cup near the left edge of the phone's back.

  • Pull the suction cup firmly to create a gap between the back cover and frame.
  • Insert an opening pick into the gap, ensuring only its tip is underneath the glass's edge.
  • If necessary, repeat this process multiple times due to tight tolerances.

Do not apply excessive force with the pick or risk cracking the back cover glass.

As an alternative, try applying heat and isopropyl alcohol (over 90% concentration) into the seam to loosen the adhesive.

Step 8

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Insert the picking tool under the glass's edge.

  • Tilt the picking tool downward.
  • Continue inserting the picking tool until the back cover's adhesive is fully separated.

Step 9

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Insert a pick tool along the left edge of the phone.

  • Slide the pick along the length of the phone, separating the back cover's adhesive.
  • Be cautious near the frame surrounding the volume and power buttons.
  • Leave the pick in place to prevent re-adhesion of the adhesive.

Step 10 | Heat the right edge

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Apply a heated iOpener to the right edge of the back cover for two minutes.

  • Alternatively, use a hair dryer, heat gun, or hot plate with caution.
  • Avoid overheating the phone, as this can damage the display and internal battery.

Step 11 | Separate the right edge adhesive

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Apply a suction cup near the right edge's center.

  • Pull the suction cup with strong force to create a gap between the back cover and frame.
  • Insert an opening pick point into the gap, tilting it downward for full insertion underneath the back cover.

Step 12

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Slide the pick along the right edge of the phone to separate the back cover's adhesive.

  • Leave the pick under the glass near the top right corner, preventing resealing.
  • If other picks are released and fall free, set them aside as this point onwards, the bottom edge will not reseal.

Step 13 | Heat the top edge

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Apply iOpener to top edge of back cover and heat for 2 minutes.

Step 14 | Separate the top edge adhesive

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Be careful when handling the curved glass near the corners of the back cover, as it is prone to cracking.

  • Start by sliding a pick from the right edge towards the top right corner of the device.
  • Continue slicing along the top edge around the entire perimeter, stopping at the left edge.
  • Reapply heat if the process becomes difficult; do not force the separation.

Step 15 | Remove the back cover

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Slowly lift the back cover.

  • Use opening picks to slice any remaining adhesive.
  • Remove the back cover.

Ensure phone is powered down completely before proceeding.

Test all functions by powering on your phone during reassembly.

  • Remove any remaining adhesive chunks with a pair of tweezers or your fingers.
  • Apply heat if necessary for separating the adhesive.

For custom-cut adhesives, refer to this guide.

For double-sided tape, refer to this guide.

Step 16 | Unfasten the motherboard bracket

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Remove the screws holding the motherboard bracket with a Phillips #00 screwdriver.

  • There are six screws, each 4 mm long.
  • Keep track of each screw and its original position for reassembly.

Step 17 | Unclip the motherboard bracket

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Use tweezers to carefully lift the motherboard bracket from the plastic midframe.

Do not fully detach the bracket — it is still connected to the wireless charging coil.

Step 18

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Position the motherboard bracket for access to the orange battery connector.

Step 19 | Disconnect the battery

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Be cautious when disconnecting the battery connector — risk of damaging nearby components.

  • Pry up and disconnect the battery connector using a spudger.
  • Avoid dislodging the small surface-mounted parts around the socket.

Step 20 | Disconnect the wireless charging coil

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Disconnect the wireless charging coil connector using a spudger.

Step 21 | Unfasten the loudspeaker

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Remove the screws using a Phillips #00 screwdriver.

  • There are five 4mm-long screws.
  • The screws secure the loudspeaker and lower midframe.

Step 22 | Disconnect the loudspeaker

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Insert the point of a spudger into the notch in the top left corner of the midframe.

Pry gently to avoid damage to surrounding components.

  • The clips should release, allowing you to lift the midframe out.
  • Remove the loudspeaker and lower midframe.

Step 23 | Remove the wireless charging coil

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Use a pair of blunt-nose tweezers to gently peel the wireless charging coil away from the device.

  • Remove the wireless charging coil.

During reassembly, reconnect the charging coil and battery connectors first, then refasten the motherboard bracket screws. Finally, firmly press the coil pad down to adhere it.

Step 24 | Disconnect the daughterboard

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Pressing on the wrong side of a re-attachable connector can cause permanent damage.

  • Use a spudger to disconnect the primary and secondary flex cables from the daughterboard near the bottom of the device.
  • To re-attach, align the connector carefully and press down on one side until it clicks into place, then repeat on the other side.

Step 25 | Disconnect the main flex cables

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Disconnect the primary and secondary flex cables from the motherboard using a spudger.

Step 26 | Remove the flex cables

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Remove the primary flex cable by gently peeling it up from its connector.

  • Repeat for the secondary flex cable.

Step 27 | Unfasten the daughterboard

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Remove the three 3.4 mm screws using a Phillips #00 screwdriver.

  • The screws secure the USB-C port and daughterboard.

Step 28 | Remove the daughterboard

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Insert the pointed end of a spudger under the left edge of the daughterboard. Pry up to release it.

  • Use a pair of blunt-nose tweezers to pull the daughterboard away from the device and remove it.

Step 29 | Heat the vibrator

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Heat a iOpener and apply it to the bottom-right corner of the device for 90 seconds.

Step 30 | Remove the vibrator

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Insert the tip of a spudger into the notch on the bottom edge of the device.

  • Pry up with the spudger to separate the vibrator from the frame.
  • Be careful not to damage any internal components.

  • Remove and set aside the vibrator, reusing it during reassembly.

Step 31 | Vibrator reassembly instructions

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Peel off vibrator adhesive from its liner.

  • Apply sticky end of adhesive to bottom of vibrator.
  • Pull up on white liner with tweezers or fingers to expose top layer of adhesive.

Adhesive is very thin and difficult to distinguish from liner. Check for correct transfer using your fingers before inserting vibrator.

Insert vibrator and apply pressure to adhere it to frame.

Step 32 | Disconnect the left 5G mmWave antenna

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Disconnect the left 5G mmWave antenna cable from the motherboard.

  • Pry up the cable to release it.

Step 33 | Disconnect the main display cable

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Use a spudger to pry up the main display flex cable from the motherboard.

Step 34 | Reposition the cables

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Peel up display and left 5G mmWave antenna flex cables, bending them away from the motherboard and battery.

Step 35 | Unfasten the upper midframe

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Remove the upper midframe using a Phillips #00 screwdriver.

  • Target the three 4 mm-long screws securing the upper midframe.
  • Turn counterclockwise to release each screw.

Step 36 | Remove the upper midframe

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  • Spudger the right side notch on the upper midframe to release the clips.
  • Remove the upper midframe.
  • Set the upper midframe aside for later reuse.

Step 37 | Disconnect the right 5G mmWave antenna

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Use a spudger to carefully pry up and disconnect the right 5G mmWave antenna flex cable from the motherboard.

  • Bend the disconnected cable out of the way to prevent damage or obstruction.

Step 38 | Disconnect the side button cable

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Disconnect the side button flex cable from the motherboard using a pencil or spudger.

  • Pry up the connector to release it from the motherboard.
  • Bend the cable away from the motherboard to prevent damage.

Step 39 | Disconnect the front facing camera

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Disconnect the front facing camera flex cable from the motherboard by prying it up.

  • Bend the cable out of the way of the motherboard to prevent damage or interference.

Step 40 | Remove the upper 5G mmWave antenna

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Use the flat end of a spudger to pry up and disconnect the 5G mmWave antenna module.

  • Pry up the corner of the module using the same spudger.
  • The module is secured with adhesive; it should release easily.
  • Remove the mmWave antenna module.

Reconnect the antenna connector first during reassembly, then press the rest of the module firmly into place to ensure proper alignment and adhesion.

Step 41 | Unfasten the motherboard assembly

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Remove the motherboard and camera assembly by unscrewing two screws with a Phillips #00 screwdriver:

  • One screw (4 mm long)
  • One screw (3.4 mm long)

Step 42 | Remove the motherboard assembly

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Insert flat end of spudger into bottom left corner of motherboard assembly.

  • Pry up gently to release from phone body.
  • Remove the motherboard assembly.

Step 43 | Heat the front camera

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Do not apply excessive heat.

  • Heat the iOpener and apply it to the front camera.
  • Leave the iOpener on for 90 seconds, ensuring consistent heat.

Step 44 | Remove the front camera

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Insert a spudger into the gap between the frame and the front camera.

  • Pry up with the spudger to separate the front camera from the frame.
  • If you're having trouble, apply more heat for assistance.

Be careful not to damage any components.

  • Remove the front camera using tweezers or your fingers.
  • Set it aside for reassembly later.

Step 45 | Front camera reassembly instructions

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Reattach the front camera:

  • Remove the liner from the front camera adhesive
  • Expose the top layer of adhesive by pulling on the tab with tweezers or your fingers.
  • Apply pressure to adhere the front camera to its frame.

Step 46 | Unfasten the 5G mmWave antennas

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Remove the four 3.4 mm-long screws using a Phillips screwdriver.

  • The screws secure the 5G mmWave antennas.

Step 47 | Remove the right 5G antenna

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Locate and use the point of a spudger to pry up the bottom screw tab on the 5G antenna bracket.

  • Employ tweezers, or your fingers, to carefully remove the 5G antenna.

Step 48 | Remove the left 5G antenna

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Remove the 5G antenna by prying its bracket upwards with a spudger.

  • Locate the top edge of the 5G antenna bracket.
  • Insert the spudger into this gap and pry up.
  • Once loose, remove the 5G antenna using tweezers or your fingers.

Step 49 | Only the screen and battery assembly remains

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The screen and battery assembly can be removed.

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