Problem with huawei E1732 modem.?

I have a huawei e1732(e173u-2) modem with custom firmware can someone please help me unlock this or provide me the unlocked firmware for this.I don't want to use paid service even the cheapest one.

pdl7562011-08-28T12:16:56Z

Favorite Answer

Here you go.
http://www.xtremebits.net/2011/05/how-to-unlock-idea-net-setterhuawei.html