Firstly, I am new to the forums and my first post and subsequent updates manageed to P!$$ off a lot of people so I hope I get this one right! I am a convert from Windows to PC and as such still learning! I have a mobile broadband dongle from T-Mobile (UK) which I have had for a number of years now and it has worked, consistently, extremely well on my windows based laptop. This was not the case when I plugged it in to my 13" MacBook Pro that I have just purchased as part of my conversion. I concluded I must be doing something wrong. The modem is a Huawei E220 and I have done all the firmware upgrades etc that all the other forums seem to suggest. The last suggestion from T-Mobile was that I utilise a more up to date broadband dongle to install the latest connection manager software on to my MBP. I have done this. I now have no error messages when I plug the dongle in to the MBP and I know the driver is OK etc because I do manage to connect and surf the web etc. My issue is that after a short period of time (this can vary between 1min and 5mins) the Dongle appears to hang or freeze. The light on the dongle remains blue but no data is transferring. I have installed little snitch also which shows me the red outgoing data but no green incomming on the little display in the menu bar. I have made assumptions that the driver, connection manager, firmware, little snitch or firewall etc are all ok because I am gettign a connection at some point for a short period of time. I was wondering if anyone has had similar issues or can indeed assist me in the resolution? I am wondering if it is a setting on the MBP because of the device failing after a period of time? The OS id Snow Leopard and I believe I am up to date with my software releases. Any help gratefully received !