How to Reset Cellular Data Settings on iPhone

If you are looking at your cellular data usage in the Settings app on your iPhone, you might notice data usage statistics from a Current Period. But what exactly is the current period, and when did it start?

iPhone Cellular Data Header

RAYMOND OGLESBY @RaymondOglesby2
September 27, 2022

If you are looking at your cellular data usage in the Settings app on your iPhone, you might notice data usage statistics from a Current Period. But what exactly is the current period, and when did it start? Let’s find out.

This is for the iPhone. Screenshots are from iPhone XR

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First, open the Settings app and tap Cellular in the list. Refer to the below image:

Cellular 1
Selecting Cellular option

Next, near the top of the Cellular Settings page, you will see a section titled Cellular Data. At the top of that, you will see the Current Period with a cumulative data count beside it. This is how much cellular data you have used in total during the current period.

If you have never checked this statistic in Settings before, this number can look frighteningly large. So the big question remains: How long is this current period, and when did it start? See the below image:

Cellular 2
Selecting Current Period

It turns out that, on some cellular carriers, this Current Period is tied to your actual cell phone billing cycle. On other carriers, the Current Period is an arbitrary length of time since you last reset your cellular statistics.

If you have hundreds of apps installed on your iPhone, you might never notice that you can scroll all the way to the bottom of the app list and see the date when the Current Period statistics were last reset. On our iPhone, this statistic has never been reset. See the following image:

Cellular 3
Your last reset date and time

Now, to reset the statistics for the current period, tap Reset Statistics. Refer to the below image:

Warning: You will lose all your stored Cellular data statistics, and the counts will reset to zero.

Cellular 4
Selecting Reset Statistics

With a tap of Reset Statistics, a new Current Period has just begun. Check back in:

Settings > Cellular

over time to see your statistics and which apps are using the most data.

Why and When to Reset Cellular Statistics

It is recommended to reset cellular data statistics every month to ensure that you will get a more accurate picture of your actual data usage that corresponds to the billing cycle of your current data plan or subscription.

The latest statistics reset data will be posted at the bottom of the screen.

Resetting your iPhone’s Cellular Data settings, on the other hand, can also be considered among the potential solutions when dealing with cellular data issues including no service or no signal. 

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Author: Raymond

I am Raymond Oglesby, an Information Technology (IT) specialist with 30 years in the field. I have taught Microsoft Applications and troubleshot computers in 15 countries and many States. My career was focused on mainframes and desktops from application development to implementation. I have written hundreds of programs for various architectures. I decided to start a blog to share my knowledge and experiences with you. I plan on updating this blog at least twice a week about smart phone apps to Windows. Please feel free to leave a Comment or Tweet. I would love to hear from you. Do you have a computer tech question? I will do my best to answer your inquiry. Please mention the app and version that you are using. To help me out, you can send screenshots of your data related to your question.

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