The Turbo SIM is essentially a "Dual SIM" that piggybacks on a telephone SIM card to alter its normal operation. Currently the Turbo Sim can unlock an iPhone 3G, allowing it to be used on any GSM network. Click on any of the items below to buy a Turbo Sim. The other alternative is to buy a pre-unlocked iPhone from a seller who obtained the iPhone from a country where the iPhone 3G is sold unlocked. The auctions to the right are pre-unlocked iPhone 3G's.
 22 Fw Turbo Sim Unlock Card Chip For Apple Iphone 3g US $1.00 
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 New Unlock 221 Fw Turbo Sim Card For Apple Iphone 3g US $6.95
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 22 Firmware Unlock Turbo Sim Card For Apple Iphone 3g US $1.00
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 New Version Turbo Sim Unlock Card For Iphone 3g No Cut US $4.89
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 New Iphone 3g Rebel Sim Unlock Card Turbo Chip Fw 22 US $1.00
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 New Rebel Turbo Unlock Sim For Iphone 3g 221 23003 US $1.00
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