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

Disassembly and Assembly

3 Connect the 2 interconnect cables to the charging port and main board. Be careful not to damage the near components.

4 Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.

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