The ability to make calls, send emails, and use text messages largely depends on the use of mobile data. The advantage of this is that mobile data is available almost everywhere. The disadvantage is that it can be difficult to limit your mobile data usage. And if you have a limited data plan, this can result in high usage charges.
How to Enable Mobile Data on Android Phone
There are many reasons why you might want to disable mobile data on your smartphone.
If you want to limit the amount of data you use with your Android phone or tablet, there are a few ways to do it. The easiest way is to manually turn off your mobile data when you’re not using it, and only turn it back on when you need it.
Tap the gear icon to open your Android’s settings menu. Then tap Data usage.