AppleiPhone 7 Plus iOS 11InternetDisable mobile data
If you do not want to make use of mobile internet and would like to prevent unnecessary data usage costs, you can disable this service.
Choose Next for step by step instructions.
Go to the Start screen.
Choose Settings.
Scroll down.
Choose Mobile Data.
Disable Mobile Data.
Data usage has been disabled.
Return to the Start screen.
If you would like to enable usage of mobile internet again, rollback the previous actions and (if needed) go to Internet Manual configuration to activate this service.