Download Sn0wbreeze 2.9.2 For Windows To Tether-Jailbreak iPhone 4, 3GS, iPad 1, iPod touch On The Latest iOS 5.1

If for some reason you prefer using ih8sn0w’s Sn0wbreeze over iPhone Dev-Team’s Redsn0w, the good news for you is that it has just been updated to version 2.9.2, bringing tethered-jailbreak support for the latest version of iOS.

Earlier this week, iOS 5.1 was released to public which closed the jailbreak exploit used in both Corona and Absinthe. iPhone Dev-Team was quickly up to task in updating Redsn0w to version 0.9.6b10, bringing tethered-only jailbreak support for all iOS devices except for the A5 based iPhone 4S and iPad 2. The reason why A5 based devices cannot be currently jailbroken is because of lack of bootrom level exploit on the new A5 chip. This tethered jailbreak for older devices (such as A4 and below) is possible largely due to Geohot’s limera1n exploit.

Coming back to this release of Sn0wbreeze, you can use it to tether-jailbreak iPhone 4, iPhone 3GS, iPad 1, and iPod touches by restoring to a custom-cooked-jailbroken-firmware of the latest iOS 5.1 release. The instructions for jailbreaking using this version of Sn0wbreeze is the same as previous version, which you can follow here.

Also as this is a tethered jailbreak, your iOS device will need to be plugged in to your computer every time it is powered on, in order to boot into a jailbroken state. This can be done using Sn0wbreeze’s built-in iBooty utility.

Redsn0w users (for both Windows and Mac) can also create custom firmwares without the updated basebands. Custom firmwares are handy for iPhone users who rely on carrier unlocks such as Ultrasn0w or GEVEY SIM. It is important to note that current version of Ultrasn0w does not support iOS 5.1. The iPhone Dev-Team though has promised to update it in near future, bringing support for iPhone 4 and 3GS users running iOS 5.1 on older basebands.

Download Sn0wbreeze 2.9.2 for Windows

iOS 5.1 For iPhone, iPad, iPod touch (A4 Devices) Can Now Be Jailbroken Using Redsn0w 0.9.10b6 [How-To Tutorial]

The iPhone Dev-Team – reliably as per usual – have updated its Redsn0w jailbreak tool, allowing those using the latest iOS 5.1 to set their devices free. It works for all iPhone, iPad and iPod touch devices except, of course, the iPhone 4S and the iPad 2.

Additionally, as you may already be aware, the jailbreak is tethered, meaning you will need to connect your device to a computer to boot tethered each time it is switched off for whatever reason. The ‘SemiTether’ patch eases the tethered scenario by allowing devices to boot without connecting to a PC or Mac, although features are extremely limited, thus it will have to be booted tethered in order to function at optimum level once more.

Of course, it’s not as exciting as the fully-untethered jailbreak with all the bells and whistles; but we reckon that it’s better than no jailbreak at all!

As usual, we’ve got the tutorial to help you in your quest to jailbreak your iOS 5.1 device.

NOTE:

• As already mentioned, this jailbreak does not work on the iPad 2 or iPhone 4S.
• If you unlock with GEVEY or Ultrasn0w, DO NOT update to the stock iOS 5.1 firmware. Skip to the latter part of this guide for more info.
• You will be booting tethered quite a bit, so if you don’t think you can deal with constantly connecting and rebooting, wait for an untethered or downgrade to iOS 5.0.1/4.x.

With the formalities complete, let’s start the show!

How to jailbreak iOS 5.1 using Redsn0w

Step 1: Download the latest version of iTunes (10.6)

Step 2: Open up iTunes, and back up your device.

Step 3: Upgrade your firmware to iOS 5.1. [download links]

Step 4: Download the latest version of Redsn0w (Windows/Mac)

Step 5: Start Redsn0w, select "Jailbreak" then "Install Cydia". Follow the steps to place your device into DFU mode.

Step 6: Now we move on to the process where you will need to repeat every time your device is switched off. This is called tethered boot. Launch Redsn0w, select "Extras", then"Just Boot" in order to boot your device tethered.

Booting Semi-Tethered (Optional)

The "SemiTether" patch may work through to 5.1. It’s a cross between tethered and untethered – allowing you to boot your device without a computer, but the available features are somewhat limited, so you’ll need to boot tethered through Redsn0w in order to enjoy a fully-functional break. It’s free, and available over at the BigBoss repo: http://thebigboss.org/semitether.

Note To Unlockers:

If you use the GEVEY SIM interposer or Ultrasn0w to unlock your iPhone, you will need to create a custom .iPSW, in order to preserve your baseband.

In Redsn0w, select "Extras", then "Custom IPSW", locate your iOS 5.1 file, and let Redsn0w work its magic.

Then enter pwned DFU mode (Extras > Pwned DFU) and restore to your custom firmware via iTunes. After that, you’ll be able to unlock with GEVEY, Ultrasn0w fixer, or Ultrasn0w (when it is available).

Full video tutorial is embedded below:

Downgrade iOS 5.1 To 5.0.1, 5.0, 4.3.3, 4.3.5 On iPhone, iPad, iPod touch [How-To Tutorial]

Whether you have been experiencing battery woes, or you are just pining for an untethered jailbreak, there are a variety of reason as to why you may wish to downgrade your device from iOS 5.1 back to iOS 5.0.1 or 4.x.

So long as you’ve saved the SHSH blobs of the firmware you wish to downgrade to (Cydia’s homepage will notify you – as shown below), then you can quickly remove yourself from what is fast becoming a fiasco of an iOS 5 release.

Important Note: Before you begin, keep in mind that the iPhone 4S cannot be downgraded to an earlier version of iOS, unless Apple is signing that particular firmware version to which you’re downgrading to. Only the iPhone 4, 3GS, iPad 1 and the iPod touch users can downgrade back to both iOS 5.0.1 (custom firmware only) and iOS 4.x as long as they have SHSH blobs and APTicket saved for the firmware they are downgrading to. iPad 2 users can only downgrade back to iOS 4.x as long as they have saved SHSH blobs for it. You cannot save SHSH blobs once Apple has stopped signing the firmware you want to downgrade to.

All set? Let’s begin:

For downgrading to iOS 5.0.1/5.0 custom firmware using iFaith

As mentioned above, if you have both APTicket+SHSH blobs saved for iOS 5.0.1 or 5.0, you can downgrade your device to a custom iOS firmware. This however wont work on iPhone 4S and iPad 2. Only iPhone 4, 3GS, iPad 1, and iPod touch users can downgrade to iOS 5.x custom firmware using this method.

Step 1: Simply download the latest version of iFaith for Windows from here, official stock iOS 5.0.1 firmware from here.

Step 2: Build a signed firmware file by clicking on ‘Build *signed* IPSW w/Blobs’.

Step 3: Browse for the SHSH blobs file that you previously saved for your current device to downgrade back to the old 5.0.1/5.0 firmware. Next, iFaith will ask you to select the stock firmware of which you want it to create custom firmware file from. Once done, iFaith will have a new custom firmware file for you waiting on the desktop with SHSH blobs incorporated for the firmware you are downgrading to.

Step 4: Next, enter DFU mode using iFaith and then simply use iTunes to restore to this custom firmware file.

That’s it! you are done.

For downgrading to iOS 4.3.5 and below

The following instructions applies to iPad 2, iPhone 4, 3GS, iPad 1, and iPod touches with SHSH blobs saved on Cydia or by using TinyUmbrella for the iOS 4.x firmware you are downgrading to. iPhone 4S again is not supported.

Step 1: Download the iPSW of the firmware version you would like to revert to, as listed below:

• iOS 4.3.5
• iOS 4.3.4
• iOS 4.3.3

Step 2: Connect your device to your PC or Mac, and slip it into pwned DFU mode using the latest version of Redsn0w (look for Pwned DFU option in “Extras”).

Step 3: Next, you’ll need to edit your hosts file. It can be found in Windows > System 32 > drivers > etc on Windows or just etc on OS X. Back it up somewhere safe, and then open it with a text editor such as Notepad or TextEdit.

Step 4: Add the following the following string to the bottom of the file, refer to the screenshot for further assistance:

74.208.105.171 gs.apple.com

Step 5: Open iTunes and select your device on the left pane. Hold down Shift (Win) or Alt (OS X), click Restore and locate your elected iOS 4.x iPSW from the first step.

Step 6: Ignore Error 10xx if it pops up – it’s to be expected. Use TinyUmbrella or Fix Recovery to kick it out of recovery mode.

You’re done! You should have a fresh install of your chosen iOS 4.x firmware version. If you downgraded for purposed of jailbreak, then those of you with an iPhone 4, 3GS, iPad 1, and iPod touches can use Redsn0w or Sn0wbreeze to untether jailbreak on iOS 5.0.1.