With the release of PwnageTool from the house of Dev-Team, now it’s again GeoHot who has come up with Mac version of BlackRa1n jailbreak.
BlackRa1n is said to be the easiest and quickest jailbreak solution so far. But here’s the most important difference between BlackRa1n and PwnageTool:
BlackRa1n requires you to update your iDevice to OS 3.1.2 [...]

In this iPhone guide you will learn how to jailbreak iPhone 3GS, 3G running OS 3.2.1 using PwnageTool 3.1.4 on Mac OS X. This guide is for Mac users only because PwnageTool is available for Mac only and there’s no Windows version out there.
This Guide is for both iPhone 3GS and iPhone 3G. All steps [...]

In this tutorial I’ll be guiding you through the step by step guide on how to jailbreak iphone 3G, iPhone 3GS, iPod Touch 3.1.2 Firmware using latest Pwnage tool 3.1.4.
Before you start with it here is what you’ll need in this guide.

iTunes 9
Pwnage Tool 3.1.4
Download Original iPhone OS 3.1.2 Firmware

I just shared a guide how to jailbreak iphone 3.1.2 Firmware using the latest Pwnage Tool 3.1.4. Now here is how to unlock your iPhone 3G and iPhone 3GS to work with any SIM/Carrier after jailbreaking.
So, here is a guide on How to unlock iPhone 3G,3GS 3.1.2 Firmware using Ultrasn0w.

About a moth ago Apple released 3.1 Firmware update at its Rock and Roll event and then again Apple has released another update of iphone OS 3.1.2 today which includes some bug fixes and improvements such as:

Not waking up from sleep
Network service interruption
Occasional crash during video stream

Yesterday Apple released iPhone firmware update to fix a few bugs and thanks to Apple that they didn’t fixed the exploit found by the GeoHot to jailbreak all iPhones and iPod Touches.
GeoHot has Twitter that BlackRa1n still works on the new 3.1.2 firmware as he successfully jailbroke his iPhone 3GS running the latest OS 3.1.2.
[...]

Apple has just released iPhone OS 3.1.2 which comes with a lot of bug fixes including issues like iPhone would not wake from sleep and video playback and cellular service.

Resolves sporadic issue that may cause iPhone to not wake from sleep
Resolves intermittent issue that may interrupt cellular network services until restart
Fixes bug that could cause [...]

Earlier this morning I shared a step by step guid on how to Jailbreak and unlock iphone 3GS using Pwnage tool 3.1.3 but that was for Mac only as Pwnage Tool doesn’t work on Windows and neither iPhone Dev team have released redsn0w which is a jailbreaking tool for Windows.
However, I would like to share [...]

In this tutorial I’ll be guiding you through the step by step guide on how to jailbreak iphone 3GS 3.1.3 Firmware
using latest Pwnage tool 3.1.3 which was just released by iPhone Dev Team.
Before you start with it here is what you’ll need in this guide.

iTunes 9
Pwnage Tool 3.1.3
Original iPhone 3GS OS 3.1 Firmware File

iPhone Dev team has made iphone 3GS users happy by releasing latest version of its jailbreaking and unlocking tool Pwnage Tool 3.1.3 for Mac and now you can Jailbreak and Unlock your
iPhone 3GS on firmware 3.1 using this latest release. However Pwnage Tool 3.1.3 will only be able to jailbreak those
iPhone [...]