Ultrasn0w, the iPhone unlocking tool, is now officially updated to unlock iPhone 3GS and iPhone 4 on iOS 4.3.2 on old basebands. Following are the complete instructions and step by step guide to unlock iOS 4.3.2 using ultrasn0w.

Today, Ulrasn0w has been officially updated to unlock iOS 4.3.2 on new firmware.

Recently, the unlock for iOS 4.3.2 was not available. A developer ‘DjayB6’ released a version of ultrasn0w called ‘ultrasn0w fixer’ that unlocks iPhone on selected basebands.

Sn0wbreeze 2.6 is out and it does tethered jailbreak for all iOS devices except iPad 2. Following is the complete step-by-step guide to jailbreak an iOS device on iOS 4.3.2 using sn0wbreeze 2.6.

Before you go for the guide you must know:

- This jailbreak is for all iOS devices excluding iPad 2.

- This jailbreak is untethered.

- This will not unlock your iPhone. The unlock for iOS 4.3.2 is not available yet. So if you don’t rely on factory unlock, do not upgrade to iOS 4.3.2. Update: You will be able to unlock your iPhone if the baseband is compatible to ‘ultrasn0w fixer’, check out this guide first: Unlock iOS 4.3.2 On iPhone 4, 3GS (old basebands) using ultrasn0w fixer. How to unlock iOS 4.3.2 using Ultrasn0w (old basebands)

- Save your SHSH blobs before going for this jailbreak so that you are able to downgrade back to iOS 4.3.2 if something goes wrong. Read this guide.

- I will not be responsible for any loss of your device while attempting this jailbreak, do it on your own risk.

Apple has just released iOS 4.3.2 for iPhone 3GS, iPhone 4, iPod Touch 4G and 3G, iPad 1 and 2. The update is to fix the FaceTime issues and Verison connectivity problems on iOS devices. Those looking for jailbreak and unlock should avoid this update as there is no jailbreak and unlock available for iOS 4.3.2 to this date. You can download iOS 4.3.2 directly from the following links:

Sn0wbreeze 2.3 beta 1 is out and it jailbreaks iOS 4.3 without updating the baseband. Following is the guide to jailbreak iOS 4.3 with Sn0wbreeze 2.3 beta.

Before you go for the guide you must know:

- This jailbreak is for all iOS devices. (excluding Apple TV).

- This jailbreak is tethered. That means you have to jailbreak again if your device reboots. You can make it tethered with iBooty, see the last step.

- This will not unlock your iPhone. The unlock for iOS 4.3 is not available yet. So if you don’t rely on factory unlock, do not upgrade to iOS 4.3.

- Save your SHSH blobs before going for this jailbreak so that you are able to downgrade back to iOS 4.2.1 if something goes wrong. Read this guide.

- I will not be responsible for any loss of your device while attempting this jailbreak, do it on your own risk.

iOS 4.3 got recently released. You can do an untethered jailbreak with iOS 4.3 but there is no unlock available so far. If you rely on a software unlocked phone, it’s a bad idea to upgrade to iOS 4.3. If you still want to upgrade to iOS 4.3 and later willing to go back to iOS 4.2.1 or 4.1, you can downgrade anytime but he downgrade is only possible if you have saved the SHSH blobs to Cydia Server before upgrading to iOS 4.3. Here is how you can save the SHSH blobs before upgrading to iOS 4.3 and then revert back the upgrade.

Apple announced that iOS 4.3 will be released on March 11. But the download links are live already. If you connected your iOS device to iTunes today, you might have already seen the update notification. Although the iOS page on Apple’s website still says it’s coming soon. 
Find out more about iOS 4.3 on Apple’s site.

Following are the download links for iOS 4.3.

ih8sn0w team has just released sn0wbreeze 2.2 that can jailbreak iPhone 3G, 3GS, 4 iPod Touch 2G, 3G, 4G and iPad and Apple TV.

It also preserves the baseband for iPhone so that you can enjoy the unlock. Here are the step by step instructions to jailbreak iOS 4.2.1.

Chronic Dev Team has just released the Windows version of greenp0ison RC5 that brings untethered jailbreak for all iOS devices running iOS 4.2.1. Here is the step by step guide to jailbreak with greenp0ison RC5.

Before you go for the guide you must know:

- This jailbreak is for all iOS devices running iOS 4.2.1.

- I will not be responsible for any loss of your device while attempting this jailbreak, do it on your own risk.

- This will not unlock your iPhone. If you rely on factory unlock then don’t update to iOS 4.2.1 as it will also upgrade your baseband that is unlockable (so far).

Update: Follow our guide to update iPhone 4 to iOS 4.2.1 without upgrading the 1.59.00 baseband to upgrade to  iOS 4.2.1 without loosing the ability to unlock.

- If your iOS device is already jailbroken on redsn0w 0.9.x running tethered iOS 4.2.1, you can run greenpois0n again to make it untethered.

Apple just announced the iOS for iPad, iPhone and iPod Touch coming in November as a free update.

iOS 4.2 will have the following main features: