Absinthe A5 Untethered Jailbreak for iPhone 4S and iPad 2, Out Now!

The combined efforts of the iPhone Dev Team, the Chronic Dev Team, and other diverse yet prominent iOS hackers to form this year’s so-called iOS hacking “Dream Team” have finally released the first untethered jailbreak for A5-powered devices, specifically the iPhone 4S and iPad 2.

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The new jailbreak tool is dubbed as GreenPois0n Absinthe and is also based on the Corona exploit used to jailbreak iOS 5.0.1 untethered on A4 devices (iPhone 3GS, iPhone 4, iPod Touch 3G, iPod Touch 4G, and iPad 1). The Corona untether has been extended to A5 devices, more specifically so iPhone 4S handsets running either iOS 5.0 or iOS 5.0.1, and iPad 2 running iOS 5.0.1 can be jailbroken in an untethered state as well. For iPad 2 users, all versions are supported (Wi-Fi only, GSM, and CDMA) but you should note that there’s no iOS 5.0 support and that you need to upgrade your firmware to iOS 5.0.1 at least.

Before you get yourself greedy indulging all the untethered jailbreak goodness, let’s recap first among those important things you need to know.

  1. You’ll void Apple warranty. Not exactly a big deal for jailbreakers, but for first time jailbreakers — at least you’ve been warned.
  2. The first release of Absinthe is for Mac only. Windows and Linux versions will then follow shortly after. You can download Absinthe for Mac here.
  3. iPhone 4S users who rely on software-based carrier unlock should stay on iOS 5.0. At least that would maximize your chance of unlocking your baseband once it becomes available. Else, it’s safe to be on iOS 5.0.1.
  4. iPad 2 users looking to jailbreak their devices untethered using Absinthe must be on iOS 5.0.1.
  5. If you’re already on iOS 5.0.1, there’s no way you can go back to iOS 5.0 — except of course if your iPhone 4S is using version 9A406 of iOS 5.0.1. Note that you can only downgrade while Apple is still signing iOS 5.0, else sorry. (Signing window is still open as of this writing)
  6. Do not update to iOS 5.0.1 or newer firmware version after being jailbroken.
  7. Lastly, the Dev Team warned that the “overall flow used by the GUI and CLI to inject the A5 corona jailbreak has never been done before, and there may be unforeseen problems once it’s released to the public.” In other words, you could possibly encounter several bugs in the process. The bottomline here for users is to back up your data before attempting to jailbreak your device.

How to Untethered Jailbreak iPhone 4S and iPad 2 on iOS 5.0 and iOS 5.0.1 Using Greenpois0n Absinthe

The folks over at Redmond Pie posted a comprehensive video on how to do all these jailbreaking stuff, so if you’re ready to give it a shot – check it out after the break. [via]

Bert Padilla

Founding-Editor of Cebu Tech Blogger where he shares insights in eCommerce, Digital Marketing, Ad Ops, Tech, Startups, Technopreneurship, Life Goals and Hacks. He's the brainchild and ninja of a Cebu-based digital agency, TekWorx.Digital, with ventures TekWorx, (eCommerce and Digital Marketing), AdWorx (Outsourced Ad Ops for Publishers) and BlogWorx (full-fledged Blog Development service). Read his Full Curriculum Vitae. For training and consultancy, services, speaking engagements, blog partnerships or media invites, click here. Alternatively, get in touch with him on Messenger.

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