Should cellular data be on or off?
For almost everyone, it’s a good idea to leave Cellular Data on.
When Cellular Data is off and you’re not connected to Wi-Fi, you can only use your iPhone to make phone calls and send text messages (but not iMessages, which use data)..
What happens when I turn off cellular data on iPhone?
If you don’t want an app to use cellular data, you can turn it off for that app. When cellular data is off, apps will only use Wi-Fi for data. To see the cellular data usage for individual System Services, go to Settings > Cellular or Settings > Mobile Data.
Can I still get texts if my cellular data is off?
If you turn off cellular data and Wi-Fi you can still send and receive SMS and make voice calls. Why can’t cellular data replace WiFi for all devices? How am I still receiving iMessages when my iPhone is no longer in service? … How can I tell if my message was read if it was sent from an iPhone to an Android?
What does it mean to turn on cellular data?
Mobile data is the internet that you get from your mobile provider. While your phone will automatically switch to Wi-Fi if a network is available, you can manually control your mobile data use by enabling and disabling it. This can be done through your quick settings and your settings.