The just released Snowbreeze 2.4 can now jailbreak iPhone, iPad and iPod Touch devices running on iOS 4.3.1. Sn0wbreeze 2.4 also makes Ultrasn0w, the tool to make the device free of official carriers, compatible with iOS 4.3.1 on unlockable basebands.
As you know Sn0wbreeze is Windows OS based tool but if you are a Mac user you can use PwnageTool and PwnageTool bundles to jailbreak your device. The detailed tutorial for Mac OS users is posted here.
Important Update:
Sn0wbreeze 2.5 is now available for download. Snowbreeze 2.5 provides untethered jailbreak on iOS 4.3.1.
Before you go for jailbreak/iOS 4.3.1 unlock please read the following carefully.
- ultrasn0w now works for basebands (01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00)
- ultrasn0w is NOT compatible with the folllowing basebands! (02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04)
- iPhone 3GS users can upgrade to 06.15.00 baseband now under Unlocks section in Expert.
- Upgrading your iPhone 3GS baseband to the 06.15.00 iPad baseband hack to unlock MAY cause you to lose your GPS!
Requirements:
- iOS 4.3.1 Stock iPSW file
- Sn0wbreeze 2.4
- iTunes 10.2.1
- And of course iPhone, iPad or iPod Touch
Creating Custom iOS 4.3.1 Firmware Using Sn0wbreeze 2.4
Step 1: Run the download Sn0wbreeze 2.4. The antivirus installed on your PC may consider it a virus, so you should disable antivirus program temporarily or add Snowbreeze to exception list.
Step 2: Click the blue colored arrow to proceed.
Step 3: Select the required iPSW file (iOS 4.3.1) by clicking on “Browse” option.
Step 4: Snowbreeze will identify the iPSW file at this stage. Click on arrow again to proceed.
Step 5: If you are having iPhone and don’t want to update the baseband, select “Baseband Preservation Mode” otherwise select “Simple Mode”.
Step 6: Sn0wbreeze will now start cooking the custom iOS 4.3 firmware.
Step 7: When you see “Done” message, click on “OK” button.
Step 8: Follow the onscreen instructions to put your device into pwned DFU mode.
Restoring Custom iOS 4.3 Firmware Using iTunes
Launch iTunes. From the iTunes sidebar select your device. Now press the “alt” (option) button on Mac or left “Shift” button if you are on Win and then click on “Restore” button in the iTunes.
This will make iTunes prompt you to select the location for iOS 4.3.1which you have already downloaded in Part 1.
Now sit back and let iTunes restore iOS 4.3.1 on your iPhone/iPad/iPod Touch. During the restore process you may see unknown error messages (1013, 1004 etc), just ignore these errors.
Booting Tethered
As we have told you iOS 4.3.1 jailbreaking is tethered at present, so you have to connect your device with PC and use iBooty to get jailbroken state. Run iBooty, which is extracted on Desktop after cooking custom iOS 4.3.1 using Snowbreeze.
Select your device and again enter DFU mode by following the onscreen instructions. Soon iBooty will do its work and your device will be booted in tethered jailbroken mode.
Now tap on Cydia icon and install your faviourite apps and tweaks from Cydia Store.
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