After unlocking, your dongle will probably still load the original provider's Manager software together with the driver for your particular model of Huawei modem. This won't work with another provider's SIM, so you should load a generic Wireless Manager program. Try 'WirelessManager5.2.2056.12' (Google will find it for you), Although every time I plugged the dongle in it attempted to start the '3' manager software, cancelling it and switching to Wireless Manager worked perfectly for me. Giffgaff's PAYG broadband is more than adequate for keeping up to date with emails on the move!
