Introduction
Prereq-only guide for transferring components from an old display assembly to a new one.
Tools
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Apply heat for 2-3 minutes to the bezel area below the display on your old display assembly, in order to soften the adhesive securing the fingerprint sensor.
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Using your finger, press firmly on the outward-facing side of the fingerprint sensor until it separates from the display assembly.
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Slide an opening pick underneath the fingerprint sensor's flex cable, and carefully cut through the adhesive securing it in place.
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Apply heat for 2-3 minutes to the top bezel area above the display on your old display assembly, in order to soften the adhesive securing the front camera flash.
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Use the point of a spudger to push the outward-facing side of the camera flash until it separates from the display assembly.
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Slide an opening pick underneath the flash flex cable, and carefully cut through the adhesive securing it in place.
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Remove the front camera flash and set it aside.
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Carefully peel away and remove any remaining old adhesive from the fingerprint sensor.
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For best results, clean the adhered areas with isopropyl alcohol to help prep the surface for the new adhesive.
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Remove any remaining adhesive from the flash assembly as well. If desired, clean it thoroughly with isopropyl alcohol.
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Cut two pieces of L-shaped double-sided adhesive tape, and stick them firmly to the perimeter of the fingerprint sensor as shown.
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Use the flash assembly and a fine-point pen or marker to trace out an appropriately-sized piece of double-sided adhesive tape.
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Cut the tape to about the right size and shape and apply it to the front-facing side of the flash assembly.
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Peel off and remove the liner from the adhesive tape on the fingerprint sensor.
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Place your new display face-down, and carefully lower the fingerprint sensor into position on the back.
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Press firmly on the back of the fingerprint sensor for several seconds to allow the adhesive to bond and secure it in place.
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Peel away the liner from the adhesive tape on the flash assembly, and press the flash into place on the back of the new display.
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To reassemble your device, follow these instructions in reverse order.