Here's how to check your cellular data usage on an iPhone, and find specific readings for and manage each app's data.

Only the Apple Watch Series 3 and 4 (GPS + Cellular) models can use cellular data, provided they have been set up with a supported carrier.

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

When you're always on Wi-Fi, it's easy to overlook just how much data apps like Spotify use per month. But this becomes an issue when you have limited cellular data. Maybe you only have a 5GB monthly ...

As seamless as Apple makes it look, FaceTime isn't magic. Like every other video-conferencing app, it works by streaming video and audio between devices, which means the moment you're off Wi-Fi, it's ...