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Apple iPhone 11 Pro Max
iOS 17
1 Find "Network Selection"
Press Settings.
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Press Mobile Service.
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Press Network Selection.
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2 Select network
Press the indicator next to "Automatic" to turn automatic network selection on or off.
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If you turn off the function, press the required network.
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3 Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
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