Redsn0w 0.9.6b5 jailbreaks iOS 4.2.1 but also provides the added ability to install baseband firmware that can be unlocked for the iPhone 3GS and iPhone 3G. For other iOS devices, redsn0w 0.9.6b5 will simply jailbreak the device but some models will be a tethered jailbreak. It’s very important to remember that the 06.15 baseband update … Read More

The ultrasn0w unlock for iOS 4.2.1 has been released and it works to unlock iPhone 3GS and iPhone 3G running iOS 4.2.1 on basebands 04.26.08, 05.11.07, 05.12.01, 05.13.04 in addition to 05.14 and 05.15 via updating to 06.15.00 iPad baseband. Using the ultrasn0w unlock isn’t complicated, but it’s a multi-step procedure that carries a few … Read More

Ultrasn0w has been updated to ultrasn0w 1.2 which works to unlock iOS 4.2.1 running on the iPhone 3G and iPhone 3GS. If you’re an unlocker that is currently stuck at 05.14 or 05.15 you will need to update to 06.15 (the iPad 3.2.2 firmware) to regain the ability to unlock using the newly available PwnageTool … Read More

PwnageTool 4.1.3 has just been released and includes the ability to unlock iPhone 3G and 3GS with basebands later than 05.13.04 (iPhone 4 is apparently in the works). To do this, you will need to jailbreak using PwnageTool and then download Ultrasn0w for iOS 4.2.1 from Cydia. PwnageTool Unlock Edition works by using the iPad … Read More

The latest version of TinyUmbrella has been released and it’s compatible with iOS 4.2.1. TinyUmbrella lets you save SHSH blobs from compatible hardware, allowing you to upgrade your iOS version while maintaining older versions of baseband. TinyUmbrella is of particular interest to those who want to unlock their iPhone, if you are looking to unlock … Read More

Redsn0w 0.9.6b4 has been released for download by the iPhone dev team, and it allows you to jailbreak iOS 4.2.1, but there’s a catch; not all hardware get an untethered jailbreak. Redsn0w 0.9.6b4 only supports the following devices for untethered jailbreaks: iPhone 3G, older iPhone 3GS, and older iPod touch 2G models. All other iOS … Read More

You can easily determine if your iPhone can be jailbroken or unlocked using a tool called f0recast. The f0recast utility works for both Mac OS X and Windows and lets you quickly identify if your iOS device qualifies for hacking. The tool works with iPhone 3G, iPhone 3GS, iPhone 4, and all the iPod touch … Read More

If you use an iPhone or iPad primarily with a Windows PC, you’ll be happy to hear that sn0wbreeze 2.1 is now available to download. Sn0wbreeze 2.1 serves a similar function as PwnageTool does for Macs, allowing Windows-based jailbreakers to preserve their current baseband (to preserve a carrier unlock) and also to use custom IPSW … Read More

Update 12/1/2010: iOS 4.2 download has been released and you can now unlock and jailbreak the iPhone on iOS 4.2 by downloading redsn0w 0.9.6b5. This is either a tethered or untethered jailbreak depending on your iPhone. With the release of iOS 4.2 imminent, the iPhone Dev Team has posted an update regarding the status of … Read More

If you like to jailbreak and unlock your iPhone, you’ll want to backup your existing SHSH blobs before you install a new version of iOS. With the release of iOS 4.2 just around the corner, it’s a good idea to do this now if you intend on unlocking your device in the future.