Apple iPhone 4S

Apple iPhone 4S

iOS 9.0
iOS 9.0 iOS 7 iOS 6 iOS 5

My Apple iPhone 4S iOS 9.0 uses a large amount of mobile data

Cause 1 of 2: Wi-Fi Assist is turned on

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

Solution: Turn off Wi-Fi Assist.

Step 1 of 4

Find "Mobile Data"

Press Settings.

Step 2 of 4

Find "Mobile Data"

Press Mobile Data.

Step 3 of 4

Turn automatic use of mobile data on or off

Press the indicator next to "Mobile Data" to turn the function on or off.

Step 4 of 4

Return to the home screen

Press the Home key to return to the home screen.

1 Find "Mobile Data"

Press Settings.
Press Mobile Data.

2 Turn automatic use of mobile data on or off

Press the indicator next to "Mobile Data" to turn the function on or off.

3 Return to the home screen

Press the Home key to return to the home screen.

Did this solve the problem?

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