Sierra Wireless AirCard 595U User Manual page 27

After you've charged the battery, proceed to configure the device to use your
account (if it was not preactivated); see "Activating and Using Sprint Service" on
page 23. If your device is preactivated, after you've charged the battery, you are
ready to connect to the network; to learn about using the software, see "Your
Sprint Mobile Broadband USB Modem: The Basics" on page 31.
Section 2A: Installing the Software 19