If you have Wi-Fi or internet connectivity on your iPhone it's pretty easy to install carrier unlock Ultrasn0w via Cydia on your device, however, things get complicated if you have no internet or Wi-Fi available on your iPhone leaving you with no choice but to install Ultrasn0w manually which require working with iPhone file-system and file-permissions.

Thankfully, we do have a pretty much unknown utility 'UltraPusher' which lets users install MobileSubstrate and Ultrasn0w on their iPhone offline from any windows computer, all you need to do is to connect your phone via USB and let UltraPusher inject the required files automatically.

As expected whizkid GeoHot's iPhone carrier unlock for baseband 05.11.07 dubbed blacksn0w is live now and user can now safely upgrade to the latest iPhone OS 3.1.2 having baseband 05.11.07 via iTunes and still get the carrier-unlock using blacksn0w and jailbreak through Blackra1n RC3 utility.

The latest Blackra1n release is available for both Windows and Mac getting the job done in just 15 seconds, it now also supports Hacktivation which means now you don't need the official SIM to activate your iPhone using iTunes.

GeoHot has once again proved that he is the numero-uno iPhone hacker out there with his recent success in unlocking iPhone Baseband 05.11.07, moments ago GeoHot posted the video proof of world's first 05.11.07 Baseband unlocked iPhone - the unlock dubbed blacksn0w will be capable of unlocking both iPhone 3G and 3GS allowing users to unlock their phones for use with any carrier.

The famous iPhone Dev Team have released another iPhone Jailbreaking utility - "QuickPwn", as the name suggest the Windows only batch files let users jailbreak iPhone more quickly and easily without requiring a full restore, the software is labeled as pre-release developmental snapshot so better handle with care.

If you upgraded to the latest iPhone firmware version 2.0 by mistake and bricked your iPhone or don't like the new upgrade here are simple to follow step by step instructions to restore iPhone or iPod Touch to an earlier firmware of your choice.

1. Uninstall iTunes 7.7 and Install iTunes 7.5.
2. Connect your phone to computer via USB.
3. Turn off the phone.
4. Place your phone in DFU mode (Device Firmware Upgrade) as described below:
• Push and hold Home and Power buttons on your phone simultaneously for 10 seconds.
• Release the Power button but keep holding Home until the computers beeps recognizing the USB device.
• You should be in DFU mode now.
5. Download and save your desired iPhone and iPod Firmware Version Files.
6. Now go ahead with the restore to your desired iPhone firmware using iTunes 7.5, to do so simply Hold down Shift key and press the Restore button in iTunes.
   
   
7. Select your iPhone restore file to continue.
8. Once restored you can Jailbreak and Unlock your iPhone using various other methods.

Here are the video instructions for the steps above.

Finally the much awaited iPhone unlocking and jailbreaking software "Pwnage Tool 2.0" is released for public downloading, a more official announcement with detailed information is expected to be released in next few days from the developers the iPhone-Dev Team.

The new version of the free software "Pwnage Tool 2.0" allows iPhone owners to jailbreak and unlock older iPhones with firmware up to and including the new version 2.0, and jailbreak iPhone 3Gs and iPod Touches (so you can run 3rd party applications not supported by Apple and the new iPhone App Store), 3G iPhone unlocking is expected to be included in upcoming releases.

iPhone Dev Team the leaders in iPhone hacking have done it once again, this time they managed to jailbreak the new 3G iPhone with firmware version 2.0, and a iPhone jailbreaking tool “PwnageTool 2.0" has been developed to enable users unlock iPhone running the new firmware software version 2.0.

The Pwnage Tool 2.0 is yet to be released for public downloading, as the software is still under private beta testing and is undergoing further tests to ensure error free performance, the team posted videos demonstrating the jailbreaking process.

Once your iPhone is jail broken and is fully unlocked the iPhone 2.0 will be able to run unofficial third-party applications, themes and games. The all new version of the PwnageTool features support for both 1.1 and 2.0 firmware versions, custom installer configurations, indexing of .ipsws files, canned web-searches, custom root partitions and much more.