Введение
Use this guide to replace a worn-out or dead battery in your Samsung Galaxy A72.
For your safety, discharge the battery below 25% before disassembling your phone. This reduces the risk of fire if the battery is accidentally damaged during the repair. If your battery is swollen, take appropriate precautions.
It's possible to remove the battery in the Samsung Galaxy A72 without removing the loudspeaker assembly and the interconnect cable. However the risk of damaging the interconnect cable is high and the removal procedure gets a lot easier with the cable removed.
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 a spudger to disconnect both ends of the interconnect cable by prying the connectors straight up from their sockets.
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Use a pair of tweezers or your fingers to remove the interconnect cable.
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Apply a heated iOpener to the screen to loosen the adhesive underneath the battery. Apply the iOpener for at least five minutes.
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Secure a suction handle to the battery, as close to the battery edge as possible.
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Insert the long edge of an opening pick into the gap between the edge of the battery and the frame.
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Pull up on the suction handle and tilt the opening pick downwards at the same time to pry up the battery.
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Peel the battery off the remaining adhesive.
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Remove the battery.
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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. During reassembly apply new adhesive where necessary after cleaning the relevant areas with isopropyl alcohol (>90%).
For optimal performance, calibrate your newly installed battery after completing this guide.
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. During reassembly apply new adhesive where necessary after cleaning the relevant areas with isopropyl alcohol (>90%).
For optimal performance, calibrate your newly installed battery after completing this guide.
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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