See information about iPad. Go to Settings > General > About. The items you can view include:
Diagnostics & Usage and Legal (including legal notices, license, warranty, regulatory marks and RF exposure information)
To copy the serial number and other identifiers, touch and hold the identifier until Copy appears.
To help Apple improve products and services, iPad sends diagnostic and usage data. This data does not personally identify you, but may include location information.
View or turn off diagnostic information. Go to Settings > General > About > Diagnostics & Usage.