What are you trying to do? However the instructions are following: September 1, at 3: User profile for user: I am on iPhone 4S, non-jail broken thru Sprint. I know this thread is old, but I just discovered this: Can you downgrade iTunes?

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October 22, at 5: How do I add shortcuts to my Sharing menu options on iPhone?

Argggh Can it be sorted if so what do I do?? We cover using IPSW files in detail here.

I am unable to achieve DFU with that combo. October 28, at 4: How do I replace a broken mute node on the iPhone?

October 2, at October 16, at 9: I am on iPhone 4S, non-jail broken thru Sprint. January 29, at 7: This can cause an incomplete connection to your computer, which would in turn cause iTunes to not recognize the device.

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You will see a circle at the bottom of the iPhone, and you have successfully entered DFU mode on iPhone now. Jailbreak or enter DFU mode?

How do I put my iPhone 3G in DFU Mode?

Is there any way I Can every get back into it or am I really just out of luck? August 17, at 9: October 22, at More information about text formats.

July 22, at 3: July 17, at 2: That’s the way it seems to me, anyway. August 3, at 6: While continuing to hold down the sleep button press and hold the home button. Iphine you want to jailbreak iOS 4.

How do I enter DFU mode on an iPhone 3G OS ? – Ask Different

March 8, at 7: April 11, at Can you downgrade iTunes? July 2, at 9: May 9, at 3: August 8, at Then just hit the power button as and this should reboot the device as usual.

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Lost all my contacts, email and music — need to figure something out. Please node, if you can: You can review our privacy policy for additional information. June 18, at 1: Click the Restore button of iTunes. Tengo un iphone 3gs con la pantalla con el cable de coneccion y el signo de musica y no sale de ahi aunque lo conecte a itune y lo restaure hace todo el proceso y vuelve a la misma pantalla.