Untethered Jailbreak iOS 4.3.1 on iPhone 4, 3GS, iPod touch 3G/4G and iPad using Redsn0w 0.9.6 RC9 – [Guide]

by Jawwad in Guides, iPad, iPhone, Mobile | 0 comments


Last week, we reported the release of the iOS 4.3.1 then later on presented a guide on how to do a tethered jailbreak for the iPhone 4 on the iOS 4.3.1. Then we posted a step-by-step guide for iPad owners as iOS 4.3.1 has been jailbroken for these users as well! Then there was a guide for the iPod Touch 4G users. Finally, we posted a guide for the iPhone 3GS users (both old and new Bootrom) to get a tethered jailbreak on iOS 4.3.1!But then there was a limitation that every time you will start your iPhone you will need to reboot it into jailbreak mode using tethered boot utility (re-jailbreak it every time you restart your phone) because custom iOS 4.3.1 jailbreak was available in tethered mode only then.

But today the situation has changed as we have Redsn0w 0.9.6RC9 available that can jailbreak iOS 4.3.1 untethered on all iDevices except iPad 2. Untether jailbreaking is achieved by using the exploit provided by the Stefan Esser that we reported earlier.

Note: Please stay away from this method if your phone is dependent on a carrier unlock. Instead follow the instructions for the PwnageTool 4.3 (Mac) or Sn0wbreeze 2.5 (Windows) that we have published today! Actually, this is the preferred method if you are not dependent on a carrier unlock for both Mac and Windows users.

Now follow these instructions:

Programs required:

Step 1: Download the Redsn0w 0.9.6 RC9 and iOS 4.3.1 stock FW and save both of them to the desktop. Extract the Redsn0w application there in a folder on the desktop.

Step 2: Execute RedSn0w application from there that was extracted earlier.
Step 3: Once RedSn0w appears click the Browse button. Then browse the iOS 4.3.1 stock FW that downloaded in Step 1 and open it (as shown in the illustration below).

image17 | Untethered Jailbreak iOS 4.3.1 on iPhone 4, 3GS, iPod touch 3G/4G and iPad using Redsn0w 0.9.6 RC9 – [Guide]

image18 | Untethered Jailbreak iOS 4.3.1 on iPhone 4, 3GS, iPod touch 3G/4G and iPad using Redsn0w 0.9.6 RC9 – [Guide]

Notice this popup that appears for the users that are using the iPhone 3GS. As instructed in the picture below you can find out the model of the iPhone 3GS easily.

image19 | Untethered Jailbreak iOS 4.3.1 on iPhone 4, 3GS, iPod touch 3G/4G and iPad using Redsn0w 0.9.6 RC9 – [Guide]

Step 4: Once the firmware has been verified click the Next button to continue.

image20 | Untethered Jailbreak iOS 4.3.1 on iPhone 4, 3GS, iPod touch 3G/4G and iPad using Redsn0w 0.9.6 RC9 – [Guide]

Step 5: RedSn0w will now prepare the jailbreak data.
Step 6: From this window you can select the jailbreak options you would like.
- Make sure Cydia is selected.
- Notice that RedSn0w can Enable multitasking (iPhone 3G only, no display of this option on 3GS needed!). If you do not need multitasking we would recommend deselecting it as it makes your iPhone 3G run very slow.

image22 | Untethered Jailbreak iOS 4.3.1 on iPhone 4, 3GS, iPod touch 3G/4G and iPad using Redsn0w 0.9.6 RC9 – [Guide]
Don’t forget to check Install iPad Baseband to update your baseband to the 06.15 iPad version for unlock (in case you want to unlock your iPhone 3GS later on). Click Yes when prompted to confirm. Now click the Next button to continue
Step 7: Now plug your iPhone into the computer and make sure its OFF then click the Next button.

image thumb3 | Untethered Jailbreak iOS 4.3.1 on iPhone 4, 3GS, iPod touch 3G/4G and iPad using Redsn0w 0.9.6 RC9 – [Guide]
Step 8: RedSn0w will now guide you through the steps to get into DFU mode. Hold down both the Home button and the Power button for 10 seconds. Release the Power button and continue holding the Home button until RedSn0w detects the device.

image24 | Untethered Jailbreak iOS 4.3.1 on iPhone 4, 3GS, iPod touch 3G/4G and iPad using Redsn0w 0.9.6 RC9 – [Guide]
Step 9: RedSn0w will then do it’s processing and you will be notified when RedSn0w it is done. Click the Finish button. When your iPhone finishes rebooting it will be jailbroken with Cydia on the SpringBoard!

Enjoy! now you have a jailbroken iDevice on iOS 4.3.1 (optionally) with the baseband upgraded to 16.5.00!,

Now you can continue this step-by-step guide on how to unlock your iDevice using Ultrasn0w (please start to follow from step 3 as earlier step are not relevant for this guide).

NOTE:
If you have problems with RedSn0w on Windows Vista or Windows 7. Right click the executable and set it to run as administrator in Windows XP compatibility mode.

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