Black Wireless APN settings for BlackBerry
Black Wireless Internet & MMS APN settings
On the homescreen, swipe down from the top.
Tap Settings, and then tap Network Connections.
Tap Mobile Network.
Tap APN at the bottom of the screen.
Enter the following information:
Access Point Name (APN) = att.mvno
Slide your finger left on the display to open the main menu.
Open Text Messages.
Press the dots.
Press Settings and select Text Messages.
Press Advanced and enter the following details.
APN = att.mvno
MMSC URL = http://mmsc.cingular.com
Proxy URL = 188.8.131.52:80
Return to home screen.
On BlackBerry, APN settings should be entered in correct case. For example, if you are configuring your APN setting with Black Wireless Internet & MMS APN settings configuration above, make sure you enter APN as att.mvno and not as ATT.MVNO or Att.mvno.