Введение
Use this guide to replace a cracked or broken screen on your Samsung Galaxy A72.
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%. The battery can catch fire and/or explode if accidentally punctured, but the chances of that happening are much lower if discharged.
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.
You’ll need replacement adhesive to reattach components when reassembling the device.
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Prepare an iOpener and apply it to the back cover for at least two 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 right 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 left 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 left corner of your phone.
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Slide the opening pick along the left edge of your phone to slice the adhesive.
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Leave the opening pick in the top left corner to prevent the adhesive from resealing.
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Insert a fourth opening pick underneath the top left corner of your phone.
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Slide the opening pick along the top edge 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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Insert a fifth opening pick underneath the top right corner.
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Slide the opening pick along the right edge of the back cover to slice the remaining adhesive.
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Use a Phillips screwdriver to remove the ten 4.5 mm-long screws securing the motherboard cover.
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Insert the pointed end of a spudger underneath the right edge of the motherboard cover.
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Use your spudger to pry up the motherboard cover by tilting the spudger downwards.
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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 spudger to disconnect the interconnect cable by prying the connector straight up from its socket.
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Use a Phillips screwdriver to remove the seven 4.5 mm-long screws securing the loudspeaker assembly.
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Insert the pointed end of a spudger underneath the right edge of the loudspeaker assembly.
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Use your spudger to pry up the loudspeaker assembly by tilting the spudger downwards.
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Use one arm of a pair of tweezers to carefully pry the display connector off the midframe.
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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 cup to the left edge of the screen.
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Lift the screen with the suction handle to create a small gap between the screen and the front panel assembly.
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Insert an opening pick in the gap between the front panel assembly and the screen.
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Slide the opening pick to the bottom 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 in the gap between the front panel assembly 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 third opening pick underneath the top left corner of the screen.
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Slide the opening pick to the top right corner of the screen to slice its adhesive.
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Leave the opening pick in its place to prevent the adhesive from resealing.
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Insert a fourth opening pick underneath the top right corner and slide it along the right edge of the phone to slice the adhesive.
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Leave the opening pick in its place to prevent the adhesive from resealing.
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Insert a fifth opening pick at the bottom right corner of the screen.
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Slide the opening pick along the bottom edge of the phone to slice the adhesive.
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Insert a plastic card underneath the top right corner of the screen.
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Slide the plastic card along the right edge of the screen to slice the right half of the adhesive underneath.
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Insert a plastic card underneath the top left corner of the screen.
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Slide the plastic card along the left edge of the screen to slice the left half of the adhesive underneath.
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Thread the display cable through the gap in the front panel assembly.
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If possible, turn on your device and test your repair before installing new adhesive and resealing.
Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.
To reassemble your device, follow these instructions in reverse order.
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.
Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.
To reassemble your device, follow these instructions in reverse order.
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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