Repair guide Galaxy S21 (SM-G991B) - English - Rev.1.0

Disassembly and Assembly

2 Check the screws at the 7 different points and remove them using a cross-head screwdriver. When removing the screws, be careful not to damage the camera lens and the upper antenna. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.

3 Check the 3 connectors on main board and disconnect them from main board using the opening pick. Be careful not to damage the near components.

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