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Jailbreaking fans have been waiting for an untethered jailbreak since the release of Apple's latest mobile operating system, iOS 5. And the good news came with Chronic Dev-team's French member, Pod2g, announcing the finding of the biggest breakthrough of the year. But one more hacker from another Dev-team, MuscleNerd, is also so active to find an untethered jailbreak for A5 Apple devices like iPhone 4S and iPad 2.

Last Friday, Pod2g, posted a video link of an untethered jailbreak demonstration. Pod2g did not say anything about the release of the jailbreak, but people assume that it might be a New Year gift from the Chronic Dev-team.

Hours before Pod2g's achievement, iPhone Dev-team member Musclenerd confirmed that the upcoming version of redsn0w would be able to save both TinyUmbrella and Cydia blob saves useful for 5.0+ (1st verifies, then stitches).

The blob saves enable the program unlock and jailbreak the device in which they are saved.

Upcoming redsn0w release makes both TinyUmbrella and Cydia blob saves useful for 5.0+ (1st verifies, then stitches), Musclenerd posted on Twiter.

For time being, please just use most recent TU to save 5.0.1 blobs+APTicket...redsn0w will do the rest, should you need to restore, he added in the post.

Right now, two jailbreak programs are available and both are not untethered, and don't work on iPhone 4S and iPad 2.

But both the hackers, though, being from different Dev-teams, are working hard to find an untethered jailbreak on Apple devices. When Pod2g was testing his latest program on different A4 devices, MuscleNerd was working on something to find out an escape route from Apple's A5 devices.

MuscleNerd on Friday tweeted that Apple's newly released 4S 5.0.1 build 9A406 IPSW (iPhone software) has an unencrypted ramdisk with the VFDecrypt key in plain text.

Huh...today's 4S 5.0.1 bump (9A406) has wide open main fs, he said.

Pod2g also confirmed his counterpart's finding on his blog, and wondered if it was a Christmas gift for them from Apple.

Pod2 wrote: @MuscleNerd tweeted something really interested today:

The latest ipsw released by Apple for the 4S contains an unencrypted ramdisk with the VFDencypt key in plain text.

Everybody can decrypt the filesystem with it!

Is it a Christmas gift from Apple?

MusleNerd also posted the encrypt code on his Web site.

Due to the non-encrypted ramdisks, the filesystem keys are now obtainable. Though these mainframes are wide open inspection-wise, yet security-wise they are not so.

The present finding will help hackers get more access to the 4S files and Siri files.

VFDecrypt Keys are the keys which can decrypt the files that come with the firmware.

Now we have to wait that which hacker comes out with the jailbreak of the year. Whoever can break Apple's latest processor, A5 chip, he may be termed Jailbreaker of 2011.

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