Introduction
Use this guide to replace a cracked or broken screen on your Samsung Galaxy S21 Plus.
This guide was performed on the SM-G996B/DS (international) model. Other models have an additional antenna cable sitting in the edge of the midframe.
If the frame is deformed, it's important to replace it to make sure the new screen will mount correctly and won’t suffer damage from uneven pressure.
If your battery is swollen, take appropriate precautions. Before disassembling your device, discharge the battery below 25%. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair.
Note: This guide instructs you to replace only the screen while leaving the original frame and motherboard in place. However, some replacement screens for this phone come pre-installed in a new frame (a.k.a. chassis), which requires a very different procedure. Make sure you have the correct part before starting this guide.
If you do not replace the adhesive seals when reassembling, your device will function normally, but will most likely lose its water protection.
Before you begin this procedure, be sure to have a set of replacement adhesives for both the rear glass and the screen.
What you need
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Prepare an iOpener and apply it to the back cover for at least three minutes to loosen the adhesive underneath.
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Secure a suction handle to the bottom edge of the back cover, as close to the edge as possible.
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Lift the back cover with the suction handle to create a small gap between the back cover and the frame.
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Insert an opening pick into the gap you created.
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Slide the opening pick to the bottom left corner to slice the adhesive.
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Leave the opening pick in place to prevent the adhesive from resealing.
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Insert a second opening pick at the bottom edge of your phone.
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Slide the opening pick to the bottom right corner to slice the adhesive.
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Leave the opening picks in place to prevent the adhesive from resealing.
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Insert a third opening pick at the bottom right corner of your phone.
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Slide the opening pick along the right edge of your phone to slice the adhesive.
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Leave the opening pick in the top right corner to prevent the adhesive from resealing.
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Remove the back cover.
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This is a good point to power on your phone and test all functions before sealing it up. Be sure to power your phone back down completely before you continue working.
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Remove any adhesive chunks with a pair of tweezers or your fingers. Use some high concentration (over 90%) isopropyl alcohol to wipe away any adhesive residue.
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If you're using Samsung custom-cut adhesives, follow this guide.
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If you're using double-sided tape, follow this guide.
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Insert an opening pick underneath the left bottom end of the NFC antenna and charging coil assembly.
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Carefully slide the opening pick along the bottom left edge of the assembly to separate it from the battery.
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Use a spudger to disconnect the charging coil by prying the connector straight up from its socket.
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Use a spudger to disconnect the NFC antenna by prying the connector straight up from its socket.
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Use a Phillips screwdriver to remove the five 3.9 mm-long screws securing the NFC antenna and charging coil assembly.
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Use a pair of tweezers or your fingers to carefully remove the NFC antenna and charging coil assembly.
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Use a spudger to disconnect the battery cable by prying the connector straight up from its socket.
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Use a Phillips screwdriver to remove the six 3.9 mm-long screws securing the loudspeaker assembly.
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Insert an opening pick into the gap between the top edge of the loudspeaker assembly and the midframe.
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Use your opening pick to pry up the loudspeaker assembly by tilting it downwards.
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Use a spudger to disconnect the display flex cable by prying its upper connector straight up from its socket.
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Use a spudger to disconnect the display flex cable by prying its bottom connector straight up from its socket.
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Use your fingers or a pair of tweezers to carefully remove the display flex cable.
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Apply a heated iOpener to the screen to loosen the adhesive underneath. Apply the iOpener for at least 5 minutes.
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Once the screen is warm to touch, apply a suction handle to the left edge of the screen and as close to the edge as possible.
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Lift the screen with the suction handle to create a small gap between the screen and the frame.
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Insert an opening pick into the gap between the midframe and the screen.
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Slide the opening pick to the top left corner of the screen to slice its adhesive.
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Leave the opening pick in place to prevent the adhesive from resealing.
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Insert a second opening pick at the top left corner and slide it to the bottom left corner of the screen to slice the adhesive.
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Leave the opening pick in place to prevent the adhesive from resealing.
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Insert a plastic card into the gap between the midframe and the display at a long edge of the phone.
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Use the plastic card to slice the adhesive underneath the screen.
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If possible, turn on your device and test your repair before installing new adhesive and resealing.
To reassemble your device, follow these instructions in reverse order.
After you've completed the repair, follow this guide to test your repair.
The best way to secure the new screen is to apply a sheet of custom-cut double-sided tape to the back of the screen.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
If possible, turn on your device and test your repair before installing new adhesive and resealing.
To reassemble your device, follow these instructions in reverse order.
After you've completed the repair, follow this guide to test your repair.
The best way to secure the new screen is to apply a sheet of custom-cut double-sided tape to the back of the screen.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
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6 other people completed this guide.
One Comment
Demontage ist sehr gut beschrieben.
Zweite Person zun ablösen des Display ist hilfreich (festhalten). Kleber am Display ist schon echt böse.
