Cydia SHSH 4.2B3 Useful for Untethered Jailbreak

Some of you might be seeing 4.2b3 SHSH showing up in cydia.
Dont worry, it isnt a mistake or glitch, Saurik has decided to save the SHSH for this as it might help every one with the saved blobs to have an untethered jailbreak on future firmwares.

See the below tweet from chpwn:

Semaphore has updated TinyUmbrella (4.1.13) to allow for the saving of iOS 4.2b3 SHSH blobs for the iPhone, iPod touch, and the iPad. This is the first time SHSH blobs are being saved for a beta release and the significance is as of now not fully known, but semaphore also tweeted that it might be used to assist the untethering of future jailbreaks. Since the release of iOS 4.2 is imminent, iOS 4.2b3 signatures will not be available for long. So if they dont show up in cydia go and grab them locally with tinyumbrella

Remember it doesn't matter what firmware you are currently on or if your even jailbroken yet, you can still save the SHSH using tinyumbrella - so go grab those blobs now!

Just tweeted by MuscleNerd:

the 4.2b3 FW is the last FW that can make use of comex's 4.1 untether hack, so it's useful to have
Just posted on Dev Team Blog:

Update #2: By all accounts, we’re within a few days of Apple’s official public release of Firmware 4.2. Here’s what you need to know:

* Thanks to geohot’s limera1n exploit, and our original pwnage2 exploit, and @pod2g’s ipod2g-MC exploit, absolutely all devices at all iOS firmware versions are capable of being jailbroken.
* The untethered jailbreak of those very latest FWs and latest devices depends on @comex hacks. His hacks so far extend only to 4.1 and 4.2beta3. He’s working on a way to extend it to 4.2 and beyond. Just wait for him to work out his method.
* iPhone 3G and 3GS unlockers will be covered by our upcoming unlock. Stay away from any updates to Apple FW until our official release and you’ll be okay. Just stay away from all Apple IPSWs
* iPhone4 unlockers are not left out in the cold. @sherif_hashim has found some very promising avenues to pursue. Those will be explored as soon as possible after all the 4.2 madness.

What does this mean to you?

* If you’re an unlocker, just stay where you are. Please, just stay where you are. Any mistakes you make now may be permanent.
* If you only care about the jailbreak and you’re absolutely sure you have your personalized 4.1 SHSH hashes, feel free to experiment but keep in mind that any mistakes you make may result in your losing pictures or notes or bookmarks that you’d rather keep. Honestly unless you love living on the bleeding edge, it’s better to just wait for official updates from Cydia/redsn0w/PwnageTool.
* Don’t buy or donate to any unlock or jailbreak scammers. Every legitimate solution you will find for unlocks or jailbreaks will be offered without an extended hand. That’s how the iPhone jailbreak/unlock community has succeeded. It’s about freedom to do what you want with your $300 device — not about donations, egos, tweets, or “interviews.”

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