How to turn automatic app updates on your Apple iPhone 6 on or off

Press Settings.

Press iTunes & App Store.

Press the indicator next to 'Updates' to turn the function on or off.

If you turn on automatic update, your apps are automatically updated via WiFi.

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

If you turn on automatic update of apps via mobile network, your apps are automatically updated via the mobile network when no WiFi networks are within range.

Press the Home key to return to the home screen.