A second software only version will be on sale for a couple hours on Saturday

The iPhone is getting used and abused today with a second software-only unlocking solution making itself known. Uniquephones has now surprised with word that it will be offering a downloadable software unlock service between 12 and 2 PM EST tomorrow at iphoneunlocking.com. Pricing will be somewhere between $25 and $50 with a 25 to 50 percent discount for people who have already signed up for the service -- apparently as many as 450,000 already have.

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In addition, John McLaughlin, founder of Uniquephones, said his Belfast, U.K., company will be posting software on Saturday that iPhone users can download to unlock their handsets to work with any SIM (Subscriber Identity Module) card on any network they choose. The software should hit the Web at www.iphoneunlocking.com between noon and 2 p.m. Eastern Time, he said.

You need to register your IMI number with them for an invite code