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Samsung Galaxy A3 (2016)
Android 5.1.1
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 Mobile networks.
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Press Network operators.
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2 Select network
Press Search networks and your phone will search 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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