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January 25, 2012

Successfully Jailbroken the iPhone 4 with iOS 4.3.3 in Windows XP

Hi friends,

I have successfully jailbroken the iPhone 4 with iOS 4.3.3 of my friend. After watching lot of videos from Youtube, I followed these steps.


Pre-Requisites:
Download and install latest iTunes on PC
Download Apple iOS 4.3.3 firmware IPSW file
Download latest RedSn0w for Windows

Procedure:
  • Unzip the RedSn0w file and execute the "redsn0w.exe" file (Better to run the exe as "Run as Administrator")
  • Click on "Browse" and select the downloaded iOS 4.3.3 firmware file "iPhone3,1_4.3.3_8J2_Restore.ipsw"
  • Click on "Next"
  • The "iPhone3,1_4.3.3_8J2_Restore.ipsw" file will get processed and patches will be applied to iOS kernel
  • Select the "Install Cydia" option, if it hasn't selected
  • Click "Next"
  • Please see the instructions carefully
  • In this step, you need to switch off the device and iPhone should be connected to PC
  • Now, we need perform very important step of the jailbreaking, i.e. putting iPhone in DFU mode
  • Press and hold the "Power Button" for 3 seconds
  • Now, without leaving the "Power Button", press and hold the "Home" button of the iPhone for 10 Seconds
  • Final step, Leave the "Power Button" but hold the "Home" button of the iPhone device for 15 Seconds
  • You can see on PC that it was successfully entered into DFU mode
  • You can see some commands are running on the iPhone 4 (Don't get scared, no issue with your device)
  • After successfully jailbreak the device, iPhone will get rebooted.

Jailbreak Verification Step:
  • If the device is Jailbreaked then the Cydia app will be installed on your iPhone
  • You can browse the iOS filesystem from it

Problems and Solution:
  • If you have problems in entering into DFU mode, then the iPhone will move to "Restore" mode
  • To come out of "Restore" mode, Press and hold the both "Power Button" and "Home Button" for 10 Seconds
  • Again do the procedure from start

References:
http://www.iphone4jailbreak.org/redsn0w-jailbreak-4-3-3-redsnow-un-tethered-jailbreak.html
https://sites.google.com/a/iphone-dev.com/files/home/

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