Blackberry 9720 - Insert the Battery

Insert the battery
New in BlackBerry 7.1
BlackBerry 7.1 enhances the BlackBerry experience with new functionality and innovative apps.
Wi-Fi calling
If your wireless service provider supports Wi-Fi calling and you subscribe to this service, you can make and receive calls
over the Wi-Fi network. For more information, see Wi-Fi calling.
User Guide Quick Help
12