Untethered 4.3.3 Jailbreaks:
JailbreakMe 3.0 tutorial (iDevice)
Redsn0w 0.9.6rc19 tutorial (Win/OSX)
Sn0wbreeze 2.7.3 tutorial (Win)
Pwnage Tool 4.3.3.1 tutorial (OSX)

Untethered 4.2.8 Jailbreak:
JailbreakMe 3.0 tutorial (iDevice)
Sn0wbreeze 2.7.3 tutorial (Win)
Pwnage Tool 4.2.8 tutorial (Mac)
Redsn0w 0.9.6rc19 tutorial (Win/OSX)
Unlockable Basebands:
04.26.08 – 05.11.07 – 05.12.01
05.13.04 – 06.15.00 – 01.59.00
Ultrasn0w 1.2.3 tutorial (Cydia)

Tethered 4.2.9/4.3.4/4.3.5 Jailbreak:
Redsn0w 0.9.8b5 tutorial (Win/OSX)

Downgrade Tutorials:
Downgrade from 4.3.4/4.3.5 to 4.3.3
Downgrade from 4.2.9/4.2.10 to 4.2.8
Other News:
There are NO working jailbreaks for 4.2.10 so please don't ask. When we find a jailbreak solution for 4.2.10 users, we will post about it.

JailbreakMe 3.0 is out now! You can now jailbreak your iPad, iPad2, iPhone or iPod Touch directly from the device itself, check out our JailbreakMe 3.0 Tutorial

Unlock iPhone4 on any Firmware and any Baseband legally with GEVEY Ultra SIM!