Samsung Galaxy S8 Disassembly & Assembly Manual page 21

Disassembly - Back Glass (8/8)
a. Do NOT use disassembly stick when you detach back glass or tape residue.
b. Do NOT place the back glass on the edge of the metal case.
c. Printing area inside of back glass can be damaged by fingernails.
d. Do NOT use rework tape when you remove residues on the back glass.
Disassembly stick
On metal edge
★ Important Back Glass Handling Guide ★
Fingernail
Rework tape
- This document cannot be used without Samsung's Authorization -
These lead to
the peeling of back glass.
Rev1.0
Confidential