Jailbreak iPhone 4S/4 iOS 5.0.1 / 5 / 4.3.5 / 4.3.2 / 4.3 and Preserve Baseband-(Windows)

Jailbreak iPhone 4 and Preserve Baseband
Redsn0w 0.9.9b6 help keep your iPhone 4/3GS baseband when upgrading to iOS 5. To help unlock the iPhone, even after the update to the latest firmware. However, this is only one version of Mac OS X easily. The iPhone Dev Team has come up with Sn0wBreeze v2.8b2 (Windows) that helps keep the baseband when upgrading to the latest firmware.
Preserve Baseband Jailbreak iPhone 4S/4
There are some simple steps you should follow. This will help you keep your iPhone 4 baseband (window). You must first download v2.8b8 Sn0wBreeze. Extract the file to your desktop. Sn0wBreeze.exe double-click the file. Click OK to warning when the file is launched. Now you must click on the "Next". May IOS firmware iPhone 4 appropriately chosen later. You need to download the IOS firmware for your iPhone 4 if you do not have it yet. You must click "Next" again. Options for Conservation of baseband will come next. You must select and click "Next".
Custom iOS Jailbreak iPhone 4S/4 for Any Firmware
Practices IOS firmware file created by Sn0wBreeze and baseband iPhone 4 is not updated. Now ask you to put your iPhone 4 in DFU mode. On-screen instructions will guide you here. The iPhone is pwned DFU mode. A confirmation window will appear on your screen. You'll need to launch iTunes and Shift-click "Restore" button. Select the custom firmware and you're done with the process.