Installing Huawei E220 on Windows 7
I have an E220 Mobile Broadband modem and I had some probles getting it installed under Windows 7. After some experimenting I sucessfully managed to install it both under Windows 7 32 bit and 64 bit. The main process is described here: http://forum-hk.huawei.com/jive4/thread.jspa?threadID=330350&tstart=0&orderStr=9 There are 2 additional tricks needed: 1) Before this procedure install MobileConnect or whichever connection manager program form the device (you have to do this before installing the latest driver, because this step replaces the drivers). 2) After this procedure I still had only the Huawei CD device recogized and no serial lines, so from the device manager I had to remove the CD device and immediately after that, the device was recognised as composite USB device and the serial devices were recognized. Good luck.