The new jailbreak tool like RedSn0w and PwnageTool, Ac1dSn0w has released out beta 2 version. And you can feel free to download now, as it has fix the copyright infringement issues.

With the update, you now have a new option for jailbreaking an Apple device running on iOS 5 and 5.0.1 on a Mac running OS X Lion or Snow Leopard.

From the Pwn Dev Team blog:

CHANGELOG:

Beta 2:

Fixed legal issue
Fixed problems with ramdisk (black screen)
Removed boot logo

Supported Devices (iOS5/iOS5.0.1):

iPhone 3Gs
iPhone 4
iPod Touch 4 G
iPad 1

The steps in the jailbreaking process are identical using the first beta, but we’ll cover them here as well.

Please read the tutorial in its entirety, reading each step carefully. Skipping a step or not following the detailed instructions may harm your device. As always, proceed at your own risk. Keep in mind, the utility is still in the early development stage.

Completing the tutorial will result in a tethered jailbroken device. This means your iPhone will not work if it’s restarted or shut down. If you run out of battery, for example, you’ll have to go through the tethered boot process again to reboot your phone. We’ll cover more on that later.

Before we get started, clear your work area and make sure your computer is plugged into a power source and your iPhone, iPad or iPod touch is nearby. You’ll also need an Apple compatible USB syncing cable.

Next, download the following file, The file size has also been significantly reduced from over 100MB to about 11MB:

Ac1dSn0w is only available on the Mac. [Download Link].

Step 1: Connect iOS device to your Mac via the 30-pin USB connector.

Step 2: Power off your device completely.

Step 3: Now click on Show Assistant and follow the on-screen instructions on how to enter DFU mode.

Step 4: Once in DFU mode, now click on the Jailbreak button. Be patient, it might take a while, once complete, your device will now reboot and will boot into the jailbroken state.

The next steps will be required when restarting a jailbroken device. The process is called a tethered-boot.

Step 5: Place your device into DFU mode.

Step 6: Now click on the Tethered Boot option.

After the final step, you will have a jailbroken device with Cydia installed. Optionally, you can install “SemiTether” package from Cydia’s BigBoss repo: http://thebigboss.org/semitether to get semi-tethered jailbreak working on  your supported iPhone, iPad, or iPod touch.

Keep tuned for the next Ac1dSn0w update. The developers promise many more features on the way, including the ability to jailbreak a device remotely.