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HELP! Unlock iPhone 4 with Gevey Ultra!

IrenePax

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Oct 13, 2011
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Hello guys! I'm new here.
So, today I jailbreaked an iPhone 4 with redsn0w. I now need to unlock my SIM card. I followed the steps from this link: Manual - GEVEY Ultra - Instructions.
First of all, do you think that it's absolutely necessary to turn the phone off, and THEN insert the SIM? I wouldn't know how to do it, because if I turn it off I have to use redsn0w again (since it's a jailbreak tethered)
So, I when I insert my SIM into the phone (which is switched on) I'm able to follow the steps from 1 to 9, and then 2 different things happened (I tried this several times, with 2 different SIM cards): in one case, after I end the 112 call the message 'No Sim card installed' appears, before switching the device to Airplane mode...so when I swtich the Airplane mode on (and then off) nothing happens; in the second case, after I switch to Airplane mode, nothing appears at all after 40secs and more..
What do you think I should do?
Any help is appreciated :)
 
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