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This past month my data usage has been sky high. I didn’t change anything on my phone from the previous months. I am always on wifi at work and at home. My data reset today and when I checked the usage it said I used 1.09 GB. How is that possible?
iPhone 8, iOS 15
What do you mean your "data reset today"?
Do you mean your service plan's period ended and started a new one?
Or are you saying you went into Settings->Cellular, scrolled all the way to the bottom and tapped on Reset Statistics there?
If not, the data displayed in Settings->Cellular will display the usage since the last time you manually reset it. If you've never reset them then its just tracking data usage since you first activated the iPhone, it does not get reset automatically. You need to do so manually to track your usage.
Look at Settings>Cellular.
See what's using so much data.
Yes my service plan reset today.
Then go to Settings/Cellular and you can see exactly which apps used cellular data. The ones that used data will be listed first, in descending order of amount used.
Note that the amount of data used is NOT based on the billing cycle from your carrier. It accumulates until YOU reset it by scrolling to the bottom of the list and tapping "Reset Statistics".
Data usage
