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Samsung Galaxy Note9
Android 8.1
1 Find "Network operators"
Slide your finger downwards starting from the top of the screen.
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Press the settings icon.
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Press Connections.
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Press Mobile networks.
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Press Network operators.
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2 Select network
If you want to select a network manually, press Search networks and wait while your phone searches for networks.
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Press the required network.
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If you want to select a network automatically, press Select automatically.
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3 Return to the home screen
Press the Home key to return to the home screen.
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