I ahev heard people complain about the 3G modems,how can someone unlock and utilize the cheapest Ntwk.???

regards,
 Henry

If it's the Huawei model you are referring to, these might be of help:

http://www.unlockmymodem.com/
http://forum.gsmhosting.com/vbb/showthread.php?p=5249030&posted=1#post5249030