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Use this guide to replace a broken fingerprint sensor in your Samsung Galaxy S20 FE 5G.
The fingerprint sensor may need to be replaced if it stopped working or no longer recognizes your fingerprint.
You’ll need replacement adhesive for the back cover and fingerprint sensor to reassemble your device.
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Power off your phone and unplug any cables.
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Heat an iOpener and apply it to the bottom edge of the back cover for two minutes.
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Apply a suction cup to the center of the back cover's bottom edge, as close to the edge as possible.
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Pull up on the suction handle with strong, steady force to create a gap between the cover and frame.
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Insert an opening pick in the gap.
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Slide the opening pick along the bottom edge to slice the adhesive securing the back cover.
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Leave the opening pick inserted in the bottom right corner to prevent the adhesive from resealing.
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Apply a heated iOpener to the right edge of the back cover for two minutes.
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Slide the opening pick around the bottom right corner and all the way up the right edge to slice the adhesive.
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Leave the opening pick inserted in the top right corner.
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Apply a heated iOpener to the top edge of the back cover for two minutes.
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Slide the opening pick around the top right corner and along the top edge to slice the adhesive.
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Leave the pick inserted in the top left corner.
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Apply a heated iOpener to the left edge of the back cover for two minutes.
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Slide the opening pick around the top left corner and all the way down the left edge to slice the remaining adhesive.
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Remove the back cover.
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Use tweezers or your fingers to peel off the old adhesive from the back cover and frame.
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Use highly-concentrated isopropyl alcohol (over 90%) and a microfiber cloth to remove any remaining adhesive residue.
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Follow this guide to apply new custom-cut adhesive.
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Use a Phillips screwdriver to remove the 16 screws securing the wireless charging assembly:
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Nine 4 mm-long screws securing the motherboard cover
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Seven 4.5 mm-long screws securing the loudspeaker
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Insert a pick under the bottom right edge of the motherboard cover.
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Twist the pick to release the clips securing the cover.
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Insert and twist the opening pick on the bottom left edge of the cover to release the remaining clips.
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Reposition the motherboard cover so you can access the battery and wireless charging press connectors on the bottom edge of the motherboard.
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Use the flat end of a spudger to pry up and disconnect the battery and wireless charging press connectors from the motherboard.
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Insert the point of a spudger between the bottom left corner of the loudspeaker and the frame.
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Pry up to release the clips securing the left edge of the loudspeaker.
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Pry up the bottom right corner of the loudspeaker to release the remaining clips.
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Remove the wireless charging assembly.
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Use the flat end of a spudger to pry up and disconnect the fingerprint sensor press connector.
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Insert the point of a spudger between the left edge of the fingerprint sensor and the frame.
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Pry the fingerprint sensor up and remove it.
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If your new fingerprint sensor has adhesive pre-installed, remove any plastic liners.
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Otherwise, apply your custom-cut adhesive or thin double-sided tape evenly along the bottom of the new fingerprint sensor, making sure not to cover the lens.
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Push the fingerprint sensor firmly into its recess to secure it.
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To reassemble your device, follow these instructions in reverse order.
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.
To reassemble your device, follow these instructions in reverse order.
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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È sufficiente la sostituzione del componente o va eseguita una calibrazione dal centro ufficiale Samsung?
