Set Mobile Data Limit:
Mobile / Cellular data is disabled upon reaching the specified data limit. To continue to use apps that require a data connection (e.g., Browser, Email, etc.), a Wi-Fi connection can be used or the data limit must be manually adjusted (overage charges may apply).
Tap Data limit to turn on .
If prompted, review the notification then tap the Checkmark icon to confirm.
Select the desired level (e.g., 2.0 GB, etc.) then tap Done.