From a Home screen, swipe up from the center of the display to access the apps screen.
Navigate: Settings > Network & Internet > Data usage.
Tap Mobile data usage.
Tap the Settings icon then do one of the following:
Change Data Usage Cycle:
Tap Billing cycle.
Set the date to match the first day of your billing cycle then tap SET.
Refer to the My Verizon website for billing cycle date.
Set Mobile Data Limit:
Mobile / cellular data is disabled upon reaching the specified data usage level indicated by the red limit line. To continue to use apps that require a data connection (e.g., Browser, Email, Market, etc.), Wi-Fi can be used or the mobile data limit must be manually adjusted (overage charges may apply).
Tap the Set data limit switch to turn on .
If prompted, review the message then tap OK.
Tap Data limit.
Enter the desired data limit then tap SET.
Set Mobile Data Warning:
A notification message appears upon reaching the specified data usage level indicated by the gray warning line.