Wireless Network Coverage - Blackberry Curve 9330 Manual

Wireless Network Coverage

You must be connected to the Nationwide Sprint Network to begin using many of the 
features of your BlackBerry device. To connect to or disconnect from the network, click
Manage Connections
for the area in which you are using your BlackBerry device.
46 BlackBerry 9330 Basics and Shortcuts
( ). Indicators on the Home screen show the wireless coverage level
You can use the phone, send and receive email messages, PIN messages,
and SMS text messages, and use the browser with a high-speed data
connection.
You can use the phone, send and receive email messages, PIN messages,
and SMS text messages, and use the browser.
You can use the phone and send and receive SMS text messages.
You can only make emergency calls.
Your connection to the wireless network is turned off.
You are not in a wireless coverage area