The Download You can check your phone's settings to see data usage on iPhones or Androids. Carriers like AT&T and Verizon allow data checks by dialing a number or using their app. Apps like ...

The method to check your mobile data usage will vary according to the smartphone you're using. The Settings app on an Android phone will look different depending on whether it's running stock ...

Going over your plan's data allocation can be costly. Here's how to check your data usage on an Android device.

Apps that ask for excessive permissions or use lots of data and battery may be stealing your info. Learn the key warning signs and how to spot them.