I purchased unlocking software for iphone4, OS 4.3, and firmware 4.1.10 couple of months ago. Upon download same day found out here is no unlocking possible because the is currently no unlocking software for the 4.3 OS and firmware 4.10 and above. I have left email messages and even wrote to SWREG.org about the refund of my $30 plus . No acknowledgement or response for over 3 months. Of course they have no phone number, and all the claim of guaranty and money back is fraud. Imagine if 100, 000 or 1 million people are ripped off yearly by them... read full review »