Unlock Any Data Card Or 3G
its a simple trick of registry hack.
you have change some windows registry value.
so lets start:
go to windows menu-click on run-write in the box"regedit"
hit the enter.
go to HKEY_LOCAL_MACHINE-software(HKEY_LOCAL_MACHINE\SOFTWARE\Linktop3G)
find out Linktop3G or your data card name.
now On the right-panel, change the Engineer key value to 0.that's it.
Create new connection profile for your preferred operator, make it as default and connect.