Sure, jailbreaks have been around for a long time now, but there hasn’t been a good, untethered jailbreak for the current iOS software until Chronic Dev released their updated greenpois0n tool last week. This Jailbreak even works with the newly released 4.2.6 Verizon iPhones. We’ve had the opportunity to put it through the paces and we liked it.

Please remember, this is for jailbreaking only. Chronic Dev suggests using TinyUmbrella to preserve your baseband before you update but we’re not covering that process today. Even still, the current version of greenposi0n does not “hacktivate” the device; you’ll need to run redsn0w after greenpois0n if you’re trying to unlock your device. There still isn’t a good unlocking solution for 4.2.1 modem firmware 03.10.01. We’ll probably have to wait until 4.3 comes out… or maybe longer before we see a current, unlockable baseband. There are still plenty of reasons to jailbreak even if you’re not interested in unlocking your device. We’ll cover those in another post later.

This jailbreak is only compatible with devices that can multi-task but here’s a list:

  • iPhone 3GS
  • iPhone 4
  • iPhone 4 Verizon
  • iPad 1st Generation
  • iPod touch 2nd Generation
  • iPod touch 3rd Generation
  • iPod touch 4th Generation

So, you’re not concerned about unlocking your iPhone, you have a compatible device and still want to jailbreak? Great, here’s the process:

  • Download the latest version of greenpois0n. It works with any Mac running 10.5 or higher and any PC running XP or later.
  • Update your device via iTunes to 4.2.1 and then quit iTunes.
  • Leaving your device plugged in, open the greenpois0n application.
  • Follow the instructions and let your phone do its thing.
  • Once your phone is back up, open the “Loader” application and install Cydia.
  • If your phone doesn’t restart automatically, do it manually.
  • Open Cydia and install stuff to your liking.

That’s it. If you have any questions, you can ask them in the comments or in our discussion section. Enjoy.

Josh Carr
Josh founded eciov in 2008 and has overseen it's evolution into a lifestyle site. He enjoys all things digital, art, music, creativity -- anything that can evoke emotion. If he's not working on this site or at his day job as a UX Engineer, he's out riding his motorcycle or jumping his truck on trails in the mountains.
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