iPhone Dev Team has just released PwnageTool 4.2 to bring untethered jailbreak for iOS 4.2.1 with the help of Greenpois0n exploit. As you know PwnageTool is a Mac OS X tool, this version support all iOS devices except iPod touch 2G.

There are some unpleasant news, yesterday MuscleNerd the well-known iPhone hacker spread the pleasant news around the imminent release of PwnageTool for Windows to jailbreak all iOS devices on iOS 4.1 from Chpwn, as you know PwnageTool has never been release for Windows, it's only available for Mac OS X , but now Chpwn has just confirmed that there will not be a PwnageTool for Windows.

Just a quick heads up, iPhone Dev Team has just released PwnageTool 4.1.1 for Mac to jailbreak iPhone 4, iPad, iPod touch 4G, and the new Apple TV. This update is for Mac OS X 10.5.x users who were experiencing some issues with PwnageTool 4.1.

Just a couple of hours back, iPhone Dev Team released a new and updated version of PwnageTool to jailbreak iPhone 4, 3GS, 3G, iPod touch 4G, 3G, 2G, Apple TV 2G on iOS 4.1 and iPad on iOS 3.2.2. This tool is based on creating pre-jailbroken custom firmwares, so, you can upgrade your iOS device using this jailbroken custom firmware.

You already know that PwnageTool will be released this weekend to jailbreak Apple TV and iPhone 3GS old bootrom while preserving basebands. The big one today is that new GeoHot's bootrom exploit ported successfully into PwnageTool and will be released this Sunday.

iPhone Dev Team member wizdaz has announced the port on his Twitter account few hours ago:

Just a quick heads up, PwnageTool is going to be released this Sunday to jailbreak Apple TV 2G and iPhone 3GS old bootrom on iOS 4.1. This was confirmed by iPhone Dev Team member MuscleNerd on his Twitter account saying that Apple TV 2G jailbreak will be covered using PwnageTool on the fun day.

Thus days, there were guides floating on the web of using PwnageTool bundles to jailbreak iPhone 3G on iOS 4.1 by msft.guy. Well, I didn't post this guide because it's really difficult and needs a professional, so, we could get our hands on iOS 4.1 custom firmware already pre-jailbroken works on iPhone 3G. Check the steps below to restore it and jailbreak your iPhone 3G.

While waiting for iOS 4.1 jailbreak release (may be SHAtter?), we will give a guide to jailbreak iPhone 3GS old bootrom only on iOS 4.1 using a modified version PwnageTool from Criminal90 with the help of some other tools which is essential in the jailbreak process.

Now, you can jailbreak your iPhone 3GS (Old Bootrom) on iOS 4.0.2 using the unofficial release of PwangeTool, As you know, you don't need to update to iOS 4.0.2 as the iPhone dev team announced with PDF Patch which close security holes on all Apple devices! but in case you already upgrade to iOS 4.0.2 and can't downgrade so here's a quick guide to jailbreak your iPhone 3GS on iOS 4.0.2 below,

Just found iOS 4.0.1 Custom Firmware for iPhone 3GS Old Bootrom to Jailbreak iPhone 3GS with the Easy way without need to launch Sn0wbreeze or PwnageTool and create your own Custom Firmware, Here's a ready Custom Firmware, all you have to do is to restore with this Firmware using iTunes..
Note:

The iPhone Dev Team has just posted that Apple started Doing "Soft" SHSH Blobs Check Starting from iOS 4, This means that like the 3GS and the iPhone 4, if iTunes can’t get your blobs (due to signing window being closed), the iTunes restore will error out.

Tpday, I already posted a guide to Jailbreak iPhone 3G and iPod Touch 2G on iOS 4.0.1 using Redsn0w then Unlock using Ultrasn0w 0.93 for Both Windows and Mac Users, But A lot of people asked me about iPhone 3GS (Old Boot), I didn't leave them back.. I already found a way using PwnageTool which has been achieved by Criminal 90 ToolJail Author, So Let's begin the Jailbreak..

The iPhone Dev team has just updated their PwnageTool to a new version, Everything remains as the newly release PwnageTool 4.0 but it brings fixes for iBooks and some issues discovered in PwnageTool 4.0.. So if you already jailbroken your device you can do that Jailbreak again easily..

iPhone Dev Team has Released the official PwnageTool 4 for Mac Users and compatible with the newly releases iOS 4 from Apple. Now you can Jailbreak your iPhone 3GS, iPhone 3G and iPod touch 2G (non-MC model only) on iOS 4 using the guide below..
Steps:
Step 1: Download and iTunes 9.2 from Here, and the Original iOS 4 from Here

The iPhone Dev Team has just released PwangeTool 4.0 To Jailbreak iOS 4 for iPhone 3GS but with Old BootRoom, This Jailbreak don't support iPhone 2G, iPhone 3G and iPod Touch 2G. You can Now Easily Jailbreak your iOS 4, iPhone 3GS on Old BootRoom using PwangeTool 4.0 Then Unlock it using Ultrasn0w 0.93 which was released yesterday by Dev Team.

iOS 4 was released yesterday and it was a big Release, Also Redsn0w 0.9.5 has already Jailbroken iPhone 3G and iPod Touch 2G, But What about iPhone 3GS users? Follow the Step by Step Guide below to Jailbreak iOS 4 final version on iPhone 3GS..
Note: This is UnOffcial Method using PwangeTool, So If you can wait a bit for Sn0wbreeze or Redsn0w then Stay away from this Method

Guys from iLounge has posted a video showing the new iPhone 4 running on iOS 4, This Video Covers every feature in iPhone 4G Including multitasking, iBooks, iMovie, FaceTime video calling to creating folders and more. The only problem in the video is the lake in audio,  as the audio is very low in some parts of the video so make sure to maximize your audio device. Also Apple has posted The official “iPhone 4 – This Changes Everything Again.” video.

After we announced the iOS 4.0 jailbreak by RedSn0w 0.9.5 on iPhone 3G, and however you need to be official carrier since on updating to iOS 4.0, your baseband will be also automatically updated to 05.12.04 for which no official unlock tool is available till now, so you should preserve your baseband by unofficial PwnageTool v4.0, this is the new from the developers, this can be done using the updated PwnageTool bundles from msft.guy for iOS 4.0 GM build.

msft.guy is back again, he has posted PwangeTool bundles for iPhone 3GS on iOS 4 GM Release which has been released yesterday. With this bundles you can jailbreak your iPhone 3GS, and unlock your device using blacksn0w.

3GS GM bundle.. Don’t forget to update Cydia or add OpenSSH and OpenSSL