How to reset cellular data usage on iPhone

iOS keeps track of cellular network usage for iPhone. It allows you to monitor your data usage and not exceed your monthly data quota. You can reset cellular data usage statistics on your iPhone the same day as your cellular billing date every month for this purpose.

The Settings application can show cellular network data usage for your iOS devices. Available usage data includes total cellular data usage and breakdown of data usage for all your installed applications.

1. Launch the Settings app by tapping on the Settings icon on the Home screen or by searching for the app in the Spotlight Search.
2. Open Mobile Data.
   
3. View general data usage and breakdowns for each application.
   
4. Scroll all the way down and tap on Reset Statistics.
   
5. Tap on the Reset Statistics option to confirm your action
   
6. Confirm that cellular data usage statistics have been reset.