Unlocking your iPhone (for use with other carriers) the original way is a rather risky process.
You must endure:
a. risking losing warranty
b. risking bricking your device (which cost you a mighty $500 bucks)
c. firmware modifications
d. being comfortable with step-by-step hacks
But no more.
USB Fever has released a new product – the Universal SIM Unlock Card.
Punch a hole in your SIM Card and your Unlock Card – slip it in between your SIM Card and your SIM Port on your iPhone – and tada! Use your iPhone with whatever service provider you’d like.
And supposedly this card functions with 3G devices – so it should function with the iPhone 2.0.
But who knows – for all we know the iPhone 2.0 could be an amorphous neon bubble which communicates solely in Yiddish.
Note: The Universal SIM Unlock Card isn’t intended specifically for the iPhone but rather a range of many phones including the iPhone (hence universal). So if you have another phone that needs unlocking, check USB Fever’s list – for the card probably works for it too.
The Price: $22.99
What says the…
Geek: I live on the edge – and I unlock iPhones the good ole’ fashioned way.
Socialite: Or you could just get AT&T.
Soccer Mom: What do you mean "unlock"? You have a key for your iPhone? …but there’s no door…
[purchase at USB Fever]





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this is an old method that is a waste of time similar to the old HyperCards and StealthSims, they are jsut trying to make a quick buck from you.
you still need to jailbreak and activate your iphone, might as well go ahead and unlock it with one of the many FREE! software methods out there, you can swap sim cards on the fly and there is no need to cut your sim card.
these sim chips can also get stuck in the phone when trying to take them out. I have done dozens of phone using these chips, and have called each customer back to software unlock the phones for them.