How to Jailbreak iOS 5b1 on Windows Using Sn0wbreeze 2.8b1? [Step-by-Step Guide]

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iH8sn0w has just released Sn0wbreeze 2.8b1 to jailbreak iOS 5b1 on Windows. Before proceeding to the jailbreak procedure, note that this is a tethered jailbreak which is intended for developers only. Sn0wbreeze 2.8b1 will NOT hacktivate your iPhone, so you will still be needing a registered UDID to activate your iPhone. Except iPad 2, Sn0wbreeze 2.8b1 will jailbreak iOS 5 on all supported iDevices.

Supported iDevices:

• iPhone 4 (GSM)
• iPhone 4 (CDMA)
• iPhone 3GS (New Bootrom)
• iPhone 3GS (Old Bootrom)
• iPod Touch 4G
• iPod Touch 3G
• First Gen-iPad

Steps to Jailbreak iOS 5 on Windows Using Sn0wbreeze 2.8b1:

1. If you have got registered Apple Developer's account, download iOS 5 beta 1 by signing into iOS Dev Center here. If you do not own Apple Developer's account, just Google Download iOS 5 IPSW for your iDevice and you will get tons of torrent links.
2. Download Sn0wbreeze 2.8b1 for Windows from here [Direct Link]
3. Once you got hold of iOS 5 IPSW for your iDevice, launch sn0wbreeze-v2.8b1.exe and click on the Next button to browse for stock iOS 5 IPSW. You can either drag the IPSW file directly into Drag an IPSW into me! section or click on the Browse button to select iOS 5 firmware file for your iDevice.



4. Now wait while Sn0wbreeze detects your iDevice name and model by processing the firmware file. Once done, click on the Next button to continue.



5. Now you will see the following three jailbreak modes. Choose Expert Mode and click on Next button to continue.



BASEBAND PRESERVATION MODE: This mode only preserves the iPhone's baseband. It does not jailbreak or unlock the actual device. All other modes still do preserve the baseband.
SIMPLE MODE: Recommended for people that don't know what to add. This mode will add Cydia, afc2, SSH for Apple TV and other recommended stuff automatically.
EXPERT MODE: Expert mode let you have all customizing options at your disposal. Such as custom boot logos, root partition size, installer options and unlocks.

6. Click on General tab followed by a click on Next button.



7. As hacktivation is not supported by Sn0wbreeze, so Activate the iPhone [Hacktivate] option has been disabled. However you can choose the other (optional) jailbreak options like Install SSH and Enable Battery-Percentage.



8. Click on the Build IPSW tab followed by a click on Next button.



9. Now wait while Sn0wbreeze cooks iOS 5 custom IPSW for your iDevice. Mean while you can play PacMan game by clicking on the PacMan button. You will be needing Adobe Flash Player installed in your Internet Explorer to play this game.



10. Once Sn0wbreeze has created iOS 5 custom IPSW for your iDevice, you can find it along with iBooty software on your desktop. Click on the OK button to put your iDevice into Pwned DFU Mode.



11. Now use the following instructions to put your iDevice into DFU mode:
• Connect your iDevice to your PC via USB cable.
• Turn OFF your iDevice completely by pressing the Power button.
• Hold down the Home+Power button for exactly 10 seconds. After 10 seconds, release the Power button but keep holding the Home button until Sn0wbreeze detects your iDevice in DFU mode.
12. As soon as Sn0wbreeze will detect your iDevice in DFU mode, it will put it in Pwned DFU Mode by patching the iBoot of your iDevice with Limera1n exploit. This will bypass all 16xx errors (1600, 1601, 1602, 1603 & 1604) during the restore of custom IPSW through iTunes.




13. Now you will see two buttons i-e Check for Update and Restore. Hold down the SHIFT key on keyboard and click on Restore button. Choose iOS 5 custom IPSW from your desktop and leave the rest on iTunes.



14. Once restore process is complete, your iDevice will reboot and will get stuck at Apple logo. Do not worry, it was well-expected because the current jailbreak is tethered. Go to your desktop and find iBooty-for-5.0b1 directory. Launch iBooty.exe, select your iDevice from the drop-down list and click on the Start button. Now use the instructions below to put your iDevice in DFU mode.
• Connect your iDevice to your PC via USB cable.
• Turn OFF your iDevice completely by pressing the Power button.
• Hold down the Home+Power button for exactly 10 seconds. After 10 seconds, release the Power button but keep holding the Home button until Sn0wbreeze detects your iDevice in DFU mode.
15. As soon as iBooty will detect your iPhone in DFU mode, it will patch your iBoot with Limera1n exploit and will boot your iDevice into tethered jailbroken state.