iphone 7 plus using a lot of data

iPhone 7 Plus Using A Lot Of Data? Here’s Why & The Fix!

In iPhone 7 Plus by David Lynch

Your iPhone 7 Plus is using too much data and you're not sure why. Not all apps are made equal and some of them will use significant more data than others. In this article, I'll show you how to save on your data plan, look for troublesome apps, and answer the question: why is my iPhone 7 Plus using a lot of data?

How Do I Know If My iPhone 7 Plus Is Even Using Data?

To check if your iPhone 7 Plus is using data, open up the Settings app, then tap Cellular. Look at the switch at the top of the screen next to Cellular Data.

If the switch is gray and shifted to the left, then your iPhone is not using data. If the switch is green and shifted to the right, then your iPhone is using data.

cellular data is on iPhone 7

As you can see in the picture above, I have turned on Cellular Data on my iPhone. However, my iPhone is also connected to Wi-Fi. When your iPhone 7 Plus is connected to Wi-Fi, your iPhone won't use data from your cellular plan.

This leads us into our first tip for when your iPhone 7 Plus is using a lot of data — connect to Wi-Fi whenever its available.

How To Fix An iPhone 7 Plus Using A Lot Of Data

1. Use Wi-Fi Whenever Possible

  • Use Wi-Fi Whenever Possible

When you're connected to Wi-Fi, your iPhone won't use data. Therefore, make sure you connect to Wi-Fi whenever it's available!

How Do I Use Wi-Fi Whenever Possible?

  1. Open the Settings app.
  2. Tap Wi-Fi.
  3. Make sure the switch next to Wi-Fi is turned on.
  4. If you're in a new area, connect to a nearby network by tapping on it under Choose A Network…

Pro Tips

  • Once your iPhone connects to a Wi-Fi network for the first time, it will remember that network and how to connect to it!

2. Close Out Of Apps You Aren't Using

  • Close Out Of Apps You Aren't Using

When you don't close out of your apps, they stay loaded in the background so they'll be ready to go as soon as you open them back up. Problems really begin when one of those apps you have open in the background crashes, which can make your iPhone battery drain fast and possibly cause other apps to malfunction as well.

Apps left on in the background of your iPhone can also still send and receive data, which may slowly drain the amount of data your iPhone can use.

How Can I Check If One Of My Apps Has Crashed?

If you're ever wondering if an app is crashing on your iPhone, you can look for confirmation in the Settings app. Tap Privacy -> Analytics -> Analytics Data and check to see if any apps underneath LatestCrash.  If there are any apps listed here, then there may be a problem with those apps which is making them crash.

How Do I Close Out Of Apps I'm Not Using?

  1. Double-press the Home button to activate the App Switcher on your iPhone, which will display all the apps you currently have open.
  2. Using your finger, swipe up on the apps you want to close out of.
  3. You'll know the app has been closed when it's no longer displayed in the App Switcher.

Pro Tips

  • Have an iPhone X or newer? Closing apps is a little bit different. Check out our other step to learn how to close iPhone X apps.
  • Make sure you are double-pressing the Home button, not double-tapping it. When you double-tap the Home button, you may activate Reachability mode, depending on which model iPhone you have.
  • You can close two apps at the same time in the App Switcher by swiping up on two apps at a time.
  • You won't lose any data when you close out of your apps. There's no downside to closing out of your apps!

3. Look For Problem Apps

  • Look For Problem Apps
If your iPhone still uses a lot of data, you can take a look at the data usage of particular apps in Settings -> Cellular. This will allow you to take a look at which apps are using the most data on your iPhone and can help you determine whether or not a specific app is responsible for most of the data drain.

Why Should I Look For Problem Apps?

If an app crashes, it may be stuck trying to send and receive data for a prolonged period of time. Usually, closing out of the app will solve this problem.

However, if this problem persists, there may be a software bug or issue within the app itself. If that's the case, you may want to delete the app entirely and look for an alternative.

How Do I Look For Problem Apps?

  1. Open the Settings app.
  2. Tap Cellular.
  3. Scroll down to the Cellular Data submenu, where you'll see a list of your apps and how much data they've used over the Current Period.
  4. Look for apps that are using multiple GB of data.
  5. If one of your apps is using lots and lots of gigabytes, it's probably the reason why your iPhone uses too much data.

Pro Tips

  • KB stands for kilobytes. There are 1000 of these in 1 megabyte, so KB are very small.
  • MB stands for megabytes. There are 1000 MB in 1 gigabyte.  If an app is only using a small amount of MB, then there probably isn't an issue with the app.
  • GB stands for gigabytes. Most wireless carriers measure data plans in GB.
  • If you're not sure whether or not an app is using way too much data, you can tap Reset Statistics. Then, check back in a few days to see which apps are using the most data.

4. Avoid Streaming Music And Videos Using Data

  • Avoid Streaming Music And Videos Using Data

Streaming music and videos using apps such as Spotify, YouTube, or Netflix can be the biggest drains on your iPhone's data. If you want to seriously cut back on how much data you use on your iPhone, only stream music and videos when you're connected to Wi-Fi.

How Do I Avoid Streaming Music And Videos Using Data?

Let's say you stream a lot of videos or music using the Safari app. You can turn off the ability to use Safari with data in the Settings app.

  1. Open Settings.
  2. Tap Cellular.
  3. Make sure the switch next to Cellular Data is on.
  4. Scroll down and turn off the switch next to Safari. You'll know it's off when the switch is gray and positioned to the left.

Pro Tips

  • You can use this to turn off Cellular Data usage for any specific app!

5. Check For Stuck Emails In The Mail App Outbox

  • Check For Stuck Emails In The Mail App Outbox
The Mail app is one of the most common iPhone data drainers. If you're not connected to Wi-Fi, your iPhone will use data any time your iPhone sends or receives an email.

Why Should I Check For Stuck Emails In The Mail App Outbox?

If a message gets stuck in the Outbox of the Mail app, it will keep using data as it tries over and over again to send. As this cycle drags on, your iPhone will slowly use up data.

How Do I Check For Stuck Emails In The Mail App Outbox?

  1. Open the Mail app.
  2. Under Mailboxes, tap Outbox.
  3. Check to see if an emails are stuck in the Outbox.
  4. You'll know an email is stuck if you see the status ring to the left of it.
  5. If an email is stuck, delete it and try to send it again.

If Emails Keep Getting Stuck In Outbox

If your emails continue to get stuck in Outbox, there may be an error in your email settings. To fix this problem:

  1. Open the Settings app.
  2. Tap Accounts & Passwords.
  3. Tap your email account under Accounts.
  4. Tap your email address next to Account (see image 3).
  5. Fix any errors with your email settings.

Pro Tips

  • If you're in the mail app and don't see the Outbox, it means that all of your emails have been successfully sent.

Tada! More Data!

You've diagnosed why your iPhone 7 Plus is using too much data and you've taken steps to prevent it from happening again. We hope you'll share this article on social media with your friends and followers who ask, “Why is my iPhone 7 Plus using a lot of data?” Thanks for reading and feel free to leave a comment down below!

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