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Samsung Galaxy A5 (2016)
Android 5.1.1
1 Find "Wi-Fi"
Slide your finger downwards starting from the top of the screen.
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Press the settings icon.
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Press Wi-Fi.
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2 Turn automatic use of mobile data on or off
Press MORE.
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Press Smart network switch.
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If you turn on the function, press On.
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If you turn off the function, press Off.
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3 Return to the home screen
Press the Home key to return to the home screen.
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