Hi 

just want to make sure i am not missing any steps in configuring the APN setting's for Windows 7 WWAN settings.

what's happening

1 )Configured all the APN settings and connect successfully to the network.

2) removed the sim card and inserted the same sim again after 1 hour, failed to connect.

3) when checked the APN settings all the fields were empty.

4) entered the same settings again and it works with no hassle.

Is there an option which i am missing to click which will save the whole settings, or is it supposed to erase the details if you remove the sim  from the device.

cheers