f-5b89e610-6ef6-41d5-81b4-4f13f2be33c6

f-802aa498-ef72-4969-b003-b22d073a27cb

Samsung Galaxy S8

Android 7.0

My Samsung Galaxy S8 Android 7.0 uses a large amount of mobile data

Cause 1 of 2: Automatic mobile data usage is turned on

If automatic mobile data usage is turned on, your phone will use mobile data when the connection to the Wi-Fi network is poor.

Solution: Turn off automatic use of mobile data.

Step 1 of 7

Find "Wi-Fi"

Slide your finger downwards starting from the top of the screen.

Step 2 of 7

Find "Wi-Fi"

Press the settings icon.

Step 3 of 7

Find "Wi-Fi"

Press Connections.

Step 4 of 7

Find "Wi-Fi"

Press Wi-Fi.

Step 5 of 7

Turn automatic use of mobile data on or off

Press ADVANCED.

Step 6 of 7

Turn automatic use of mobile data on or off

Press the indicator next to "Smart network switch" to turn the function on or off.

Step 7 of 7

Return to the home screen

Press the Home key to return to the home screen.

1 Find "Wi-Fi"

Slide your finger downwards starting from the top of the screen.

Press the settings icon.

Press Connections.

Press Wi-Fi.

2 Turn automatic use of mobile data on or off

Press ADVANCED.

Press the indicator next to "Smart network switch" to turn the function on or off.

3 Return to the home screen

Press the Home key to return to the home screen.