There is already better alternative to XQAccessPointManager in Qt Mobility package:
http://wiki.forum.nokia.com/index.php/Qt_Mobility_Technology_Preview

Qt Mobility Bearer Management API class...

Try to use following lines in .pro file:

symbian: {
TARGET.CAPABILITY = NetworkServices
}

Hi,

You could try to increase heap size to see if default heap
size is not enough for loading large images.

Heap size can be controlled using following lines
in .pro file:

symbian: {
...

As symbianyucca suggested, you could take a look XQLocation class from Qt Mobile Extensions:
http://wiki.forum.nokia.com/index.php/Mobile_Extensions

Qt Mobile Extensions package contains 2 demos...

Take a look at CameraMMS Demo that can be found from "Mobile Extension first preview package":
http://wiki.forum.nokia.com/index.php/Mobile_Extensions
CameraMMS Demo uses XQMessaging class for...