Steps to Jailbreak iPhone 3G using RedSn0w (Windows)

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Redsn0w is a multi-platform tool developed by iPhone Dev Team for jailbreaking iPhone 2G, iPhone 3G and iPod Touch running OS firmware 3.0 for both Windows and Mac OS X. To use redsn0w simply upgrade the device in iTunes to firmware version 3.0 and run redsn0w to activate and jailbreak the device. The post will guide you on how to jailbreak your iPhone 3G on iPhone 3.0 OS firmware using RedSn0w for Windows. Once you jailbreak your iPhone with redsn0w apply the UltraSn0w unlock to unlock your iPhone 3G.


[Update] – iPhone Dev Team has verified that the 24Kpwn exploit that the hybrid team used on the iPod Touch 2G is still present in the bootrom of the iPhone 3GS.  That means, the same sort of technique can be applied that is used by their current redsn0w tool to jailbreak and unlock the iPhone 3GS [more..]


How to Jailbreak iPhone OS 3.0 using RedSn0w


Step 01- Create a folder ‘Pwnage’ in your ‘C’ drive or anywhere on your computer and then download RedSn0w tool and put it in the Pwnage folder.


Step 02- Now, download the latest iPhone 3.0 firmware (3.0.0 (3G): iPhone1,2_3.0_7A341_Restore.ipsw and place it in the ‘Pwnage’ folder. Also, extract the RedSn0w zip file to the Pwnage folder.


Step 03- Connect iPhone to your computer and launch iTunes. Select your iPhone from the list of devices as seen on the left. Just hold the shift key and click on the Restore button.


Step 04- Select the firmware ipsw from the Pwnage folder on your computer desktop. Click the Open button to continue. Wait till iTunes has finished updating your iPhone firmware.


Step 05- Open redsnw0w.exe from the Pwnage folder on your desktop and click the Browse button. redsn0w may crash if you try to run on Windows 7. To resolve the issue just right click on redsn0w.exe and then click on “Properties”. Switch to “Compatibility” tab and make sure you check “Run this program in compatibility mode for: Windows XP (Service Pack 3)”.


Step 06- Select the firmware ipsw from the Pwnage folder on computer desktop and then click Open. Once the firmware has been verified click the Next button to continue.


Step 07- Select ‘Install Cydia’ and click the Next button to continue.


Step 08- Make sure your device is both ‘OFF’ and ‘PLUGGED IN’ to the computer and then click the Next button.


Step 09- Follow RedSn0w instructions to get into DFU mode that says –

  • Hold down the power (corner) button for 2 seconds.
  • Without releasing the power button, hold down the Home (Bottom Center) button for 6 seconds.
  • Without Releasing the Home button, release the power button, but keep holding the power button for 30 seconds.


Step 10- Your iPhone will now reboot and wait till your iPhone 3.0 is being jailbroken.


Step 11- RedSn0w will then begin uploading the new RAM Disk.


Step 12- Once you see ‘Done!’ click the Finish button. Reboot your iPhone. Your iPhone is now Jailbroken.



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