We understand wanting to have the most up to date information when it comes to your data usage, annigreed. The device and My Verizon are both great places to keep a watchful eye on data. Many factors can impact how the data is reporting which could include factors on your phone and what cell towers you are connecting to. Have either updated since you have last checked? Where are you checking on your phone? Is it the data widget or the My Verizon application?