BlackBerry internet activation

Blackberry devices are dependent on its service providers. So, when someone bring the device somewherein where its provider's range is down. So, no internet in the device as well. To solve the problem, here is a quick solution.

Go Options -> Advanced Options -> TCP

There you will see like following, and edit them s well:
APN : ENTER the APN for your current service provider
username: Service provider's username, most cases Leave Blank
password: Service provider's password, most cases Leave Blank

Note: you must have an internet package from your current service provider.
Example of having Grameenphone P2 Internet Package

APN : gpinternet
username: Leave Blank
password: Leave Blank

Enjoy...