Samsung SM-S921U - Page 115

Disassembly and Assembly
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2 Using the tweezers or your fingers, gently press around the edges to ensure a secure
fit.
3 Remove the bottom release film underneath the black adhesive of the new 3rd
microphone hole tape.
Using tweezers or your fingers, attach the 3rd microphone hole tape on the back
cover by using the tape’s L-shaped cutout to guide you during the installation.