Samsung SM-X818U Repair Manual page 94

4
For the United States 5G devices, using the opening picks, separate the additional 5G
mmWave antenna connector.
Be careful not to damage the near components and cables.
The 5G mmWave antenna module and its connectors are only available in
•
United States devices.
The cables and connectors may vary depending on the country, region, or
•
specifications.
Disassembly and Assembly
94