Q&A for How to Check Data Usage on an iPhone

Go to Settings, then click on Cellular. Scroll down and you will see toggle switches. To disable certain apps from using data, toggle the switch next to the app you want disable. If the toggle switch is green (or dark gray depending on phone contrast settings) that app is using data.

Dial #3282 on your phone keypad and press call to get a text message showing your data usage.

1.111 GB (or gigabytes) means 1,111 MB (or megabytes). To provide references, one picture is usually 8 MB, and a full-size movie is around 1 - 2 GB.

Your service provider may have created an app that can be downloaded. Once connected to your number via a security code, the app can be used to monitor text, minutes and data usage. Not all providers use this, but search for your service provider in the app store or on their website for details.

You can download the Telstra 24/7 app and set up an account. This will tell you how much you have left, how many days, and how much you have used.

On the top left, it will tell you company like Sprint, then 4G on the side.

Dial #3282 on your phone keypad and press call to get a text message showing your data usage.

You don't text a number. Rather, you dial the code as if you were making a phone call. Example: For AT&T, you dial *3282# and then press call. You will receive a message that says something like "Thanks! A message will be sent to your phone shortly."

Go to the "Settings" application on your iPad, and click "Cellular". There will be displayed the amount of "Cellular Data" you have used. Your data will be measured in "bytes" (e.g. 123MB). Depending on how much data you have used, it may measure it in GBs (Gigabytes). MB stands for "Megabytes" and there are 1000 MBs in 1 GB. Unfortunately, the iPad does not display WiFi specific data usage.

If it's not a prepaid phone, you will be charged. You are paying for access to the phone, which you have regardless of usage.

It tells you about the picture messages you've already sent. Maybe you sent 98 picture messages to a friend, and then deleted the pictures.

If the cellular data section isn’t showing up on your iPhone, it should be. If not, go to the search bar at the top of the screen and type in cellular. That should get you there.

Subtract the amount they give you from what you have already used. For example, 8 GB of data, - 2 GB used, = 6 GB left.