Hello,

I need to restore my unlocked iPhone. I have made a backup through iTunes and after that iTunes did not recognize my SIM anymore.

I am using Version 2.2 (5G77, Modem Firmware 02.28.00).

On other topic I read that using quickpawn should resolve the iTunes issue. Is it possible to use Quickpawn 2.2.5 tool to activate the phone in the 2.2 version so I can use iTunes again? I am unable to upgrade to 2.2.1.

Help is much appreciated!
Thanks,
Tony

Hi

If you have used itunes to restored your phone with 2.2 firmware you will need to re-apply the Activation & jailbreak again.

You can use Quickpwn 2.2.5 to do the A/J

And as long as you have the 02.28 BB you can apply yellowsn0w from Cydia afterward to network unlock.

iClarified - iPhone - How to Jailbreak Your 2.x.x 3G iPhone Using QuickPwn (Windows)

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Will try to do so!

Thank you
Tony

Hello,
I applied the QuickPwn method and reconnected to iTunes but iTunes is still not recognising my SIM. It is asking for a different SIM, while in the past I did not have any problems connecting to iTunes...

Any other solutions to get this fixed?

Em Sounds like Quickpwn may not have done the A J process correctly.

Do you have Cydia installed? if you do before we go to far try installing yellowsn0w, reboot the phone, Then connect to itunes & lets see what happens.

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The strange thing is that when my phone rebooted after installing Quickpwn, all my apps and settings were still the same. I have yellowsnow installed. I reinstalled it using Cydia, but iTunes still gives the same message...should iTunes be disconnected from the internet? When I connect when I am not connected to internet iTunes gives a screen with "iPhone" but does not say anything about the SIM

Ok well I'd now start over again

Do a DFU restore with 2.2 firmware (See Here) first & then run Quickpwn to A&J again.

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It's working!! Thanks a lot for your help.

I have a second question: I have a problem with my mic. People can not hear me when calling. When I call with the headphones+mic plugged in, people ARE able to hear me. I have completely reinstalled my iPhone, using your instructions below (GREAT HELP!!) but now the mic is still not working. I want to send the phone back to apple.

Can I restore the phone and send it back without activitating it? Which restore should I choose? Do I have to do another DFU? Should I use Quickpwn?

Thanks again,
Tony

If you want to remove any signs of jail-breaking etc then doing another DFU restore will be fine.

The worry is that the apple store doing the repair may well update you to 2.2.1 firmware 02.30 BB making yellowsn0w fail.

You may have to think up a reason to tell them why you don't want 2.2.1 installed.

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Can I not downgrade the phone to firmware 2.2 and baseband 2.28 with a DFU when i get the phone back? I read here and here that it is possible to to so? have you heard any feedback about this method?