Turn off data services over the mobile network
To turn off data services, you must have a SIM card in your device.
If you turn off data services, your device can't send or receive data over the mobile network and many features and apps
might not work correctly.
Swipe down from the top of the screen once using two fingers, or twice using one finger.
> Data usage.
If necessary, tap the Cellular tab.
Turn off the Cellular data switch.
To turn on data services, turn on the Cellular data switch.