hello guys, i bought a iphone 3g 16gb white last week, and i have 2.2.1 with 2.30.03 well i bought a rebelsimcard and its doesnt work!!! well my question is is that possible that rebelsimcards not always work??

OR that my iphone maybe is stolen! :-O

IF its stolen can i unlock the phone? with hacker tools like yellowsnow?

Hi
At the moment you can't unlock the 02.30 baseband with any software method, only the 02.28 baseband works with yellowsn0w.

One option worth looking into is to see if you have the 5.08 bootloader. If you do you can downgrade the baseband to 02.28 & use yellowsn0w to unlock.

If you're not sure what bootloader you have open Cydia and find an app called Fuzzyband, install/run it and it will show you the bootloader version.

Fuzzy 3g baseband downgrader. | iPhone News, Help and Guides

Edit:
If its was stolen & sold to unknowingly it may be IMEI blocked by the carrier

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so if its imei blocked, CANT i unlock it, right? doest matter which firmware i have or?

I wouldn't automatically assume its been block just because you *sim doesn't work as most the *Sim are unreliable & that could be problem.

Best thing to do is ask some members in the Turbo-, Supersim and Simcloning Solution - Hackint0sh section about the rebelsim card you're trying to use.

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Which country are you in, which network is the phone locked to and which network are you trying to use the phone with? In my experience Rebel are the last piggyBack SIM I would ever buy again, their CS was awful! Different piggyback SIMs work with different degrees of success on different networks. None are perfect.

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iam from sweden and the mobile is locked to O2, and i want use TELE 2 (sweden network) - the mobile is from norway or danmark i dont know! how can i see when the mobile is bought?

Title changed & thread moved to Turbo-, Supersim and Simcloning Solution section.

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What is the Model number?

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mate, if it turns out that your phone has been sold to you as stolen, i am in the same boat and furious! i have a 16 gig white iphone and the IMEI has been blocked on all australian networks. if you find out that yours has been imei blocked would you swap? that would mean they would both worked. mine is locked to Optus (a network here), but can be jailbroken etc.

let me know mate.

the modelnumber is: mbk500

well i hope it works, with a new unlock from the devteam

can i change the imei? if yes...how?