The document provides instructions for configuring internet settings on devices running different operating systems like Android, iOS, Windows Phone, and Blackberry OS 10. It explains how to access and add the APN settings for each operating system, with the steps varying slightly based on whether it is accessed through the settings menu, mobile networks menu, or access point menu. The same APN name and process of adding, saving, or configuring the connection name and APN is described for each operating system.