If cellular data is not working on your iPhone, there are several ways to potentially resolve the issue.

You can turn off data on an iPhone all at once, for specific apps, or by turning on Airplane Mode through the Control Center.

With a few easy adjustments, you can instantly improve your Wi-Fi and Cellular Data performance and get things running smoothly again.

For now, T-Mobile says, "Yes, T-Satellite capable iPhones operating on iOS 26 can now use data on some Apple apps. We'll have even more to share on data capabilities soon.” So it’s possible the ...

T-Mobile VP Jeff Giard also talks about what's in store for T-Satellite as the carrier rolls out mobile app data support to ...

Do your streams keep buffering, downloads take forever, and websites load at a snail’s pace on cellular data? Your carrier ...

While the iPhone Air is equipped with Apple's custom C1X modem for cellular connectivity, all of the iPhone 17 models are outfitted with ...