Sending SMS (Text) Messages – Domestic (U.S.) Only  | 23  | 
Sending PIN Messages  | 23  | 
Adding Contacts  | 24  | 
Using the Calendar  | 24  | 
Going to Web Pages  | 25  | 
Setting a BlackBerry® 8830 Password  | 26  | 
Locking and Unlocking the BlackBerry® 8830  | 26  | 
Inserting a microSD Card  | 27  | 
Location Settings – Domestic (U.S.) Only  | 28  | 
Using Bluetooth With Your BlackBerry® 8830  | 29  | 
Using Your BlackBerry® 8830 as a Modem  | 30  | 
Installing the BlackBerry® Desktop Software  | 32  | 
Using Your BlackBerry® 8830 With a Hearing Aid Device  | 34  | 
Finding Help With Other Features  | 36  | 
Sprint WorldwideSM Wireless Service | 37  | 
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Activating Global Roaming Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Making and Receiving Worldwide Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Sprint Voicemail Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
International Data Roaming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Understanding Status Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Contacting Sprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48