Get Started 10Get StartedThis section gives you all the information you need to set up your device and Sprint service thefirst time.Set Up Your DeviceActivate Your DeviceComplete the Setup ApplicationSet Up VoicemailSprint Account Information and HelpSet Up Your DeviceYou must first install and charge the battery to begin setting up your device.1. Install the battery. Insert a coin or other flat object into the slot at the bottom of the battery compartmentcover and lift the cover up gently. Insert the battery, contacts end first, and gently press the battery into place.