iPhone 3G Hardware Unlock Uses Your Existing SIM Card...KindaYeah, USB Fever just started taking pre-orders for this super thin iPhone hardware unlock tool that attaches to your SIM card, but be forewarned — it requires that you cut the corner off your SIM in order to work. And if something goes wrong, I doubt it's covered by any warranty. If you're up for the challenge, it will supposedly start shipping on August 20 for $35. [USB Fever via iPhone Atlas via IntoMobile]