Geohot has released his BlackSn0w unlock for the iPhone 3G and 3GS.

“blacksn0w is the unlock for the latest 05.11.07 baseband, and will also enable official tethering. blackra1n, a jailbreak for 3.1.2, has been updated to RC3, with hacktivation support, 15 second speed improvement, Tiger+PPC support, and installation of the latest blackra1n.app.”

You can find instructions on how to use blacksn0w to unlock your iPhone here: Windows, Mac.

If you have already jailbroken using blackra1n, run the application again. You will see Icy replaced by an option “ra1n”. Install this to upgrade your blackra1n application. Run the blackra1n application again. This time you will see “sn0w”. Install sn0w to unlock your device.

(via iClarified.com)

Here’s what the iPhone Dev Team had to say concerning BlackSn0w

iPhone 3G/3GS owners who found themselves stuck with version 05.11 of the baseband (either by accident or because they bought it that way) are now in luck!  geohot was able to turn the already-public at+xemn crash into an injection vector, which can be used to inject his version of the unlock.  The blacksn0w unlock is available for free via Cydia by adding the repository http://blackra1n.com in the Manage->Sources panel.  Congratulations, geohot!

Those of you who are already unlocked at 3.1.2 because you kept your 04.26 baseband now have an extra cushion of comfort, and more choices: ultrasn0w, purplesn0w, and now blacksn0w (and of course the original yellowsn0w too if you’re still back at FW 2.x).   Whether or not you choose to update your baseband solely to use the new unlock is a personal choice, but so far there are no advantages to doing so (and remember you can’t come back to 04.26 after you’ve gone to 05.11).

As with all the unlocks, it will probably very soon be re-sold through scam sites that charge you money for what is offered to the community for free.  Please stay vigilant for these scam sites and steer your friends away from them.

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Several publications on Wednesday reported Apple’s latest iPhone 3GS units came with presumably jailbreak-proof firmware. The reports were half correct: The phones do indeed ship with different firmware with a new bootrom, but they are still hackable. 

McDonald compared this situation with the newest iPhone 3GS devices to the second-generation iPod Touch. Apple shipped this iPod Touch with a different bootrom from the previous version, and for a while, owners who jailbroke the device needed to tether their devices in order to boot up. Later, the iPhone Dev-Team released another exploit to enable untethered booting. 

The iPhone jailbreak community emerged soon after the original iPhone launched in June 2007. Hackers discovered methods to install unauthorized third-party software on the device, as well as unlock the iPhone to work with carriers that otherwise did not serve the iPhone. 

Apple wasn’t pleased. At the launch of the British iPhone in September 2007, Steve Jobs said Apple would work to suppress unlock hacks. 

Apple has even suggested to the U.S. Copyright Office that jailbreaking is illegal — to no avail, as the Dev-Team has been careful to only provide patches hacking the iPhone, as opposed to copying the software, according to McDonald. 

“It’s a cat-and-mouse game,” Jobs said in September 2007. “We try to stay ahead. People will try to break in, and it’s our job to stop them breaking in.” 

With the latest upgrade, it appears Apple has not stopped the Dev-Team from breaking in. But for the time being, the company has made hacking new iPhones very inconvenient and perhaps impractical.

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Sn0wBreeze is a new project aiming to bring PwnageTool functionality to Windows computers by October 12th. 

iH8sn0w tweeted some details about the upcoming software… 

The new project that we are working on is sn0wbreeze. It is basically PwnageTool for Windows. Our ETA is October 12. 

We will ask for Beta Testers as soon as we have a stable build ready! 

It will be pretty much everything the the Mac version of PwnageTool can do atm.

—
GeoHot has posted picture evidence of a jailbroken third generation iPod Touch to his blog. 

For those waiting eagerly to jailbreak their iPhones and iPods, GeoHot plans to release the jailbreak tool within the next day or so. 

The exploit should work for every version of iPhone OS including OS 3.1. 

10 seconds. and may work for every version of software *ever*, based on the prettiness of the exploit

The soon to be released jailbreak tool by GeoHot has been named BlackRa1n and will be found at http://www.blackra1n.com.

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The iPhone Dev-Team has successfully completed the upgrade of a jailbroken iPhone 3GS from 3.0 to 3.1 without losing the jailbreak. 

CPICH confirmed the news from his twitter account. 

This means that we will likely see an update to PwnageTool which will add support for creating a custom ipsw that will be used to upgrade your iPhone 3GS. 

(via iPhone Dev Team Blog & iClarified.com)

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It looks like version 0.9 of ultrasn0w fixed up the vast majority of any problems people were seeing with the 3G/3GS carrier unlock. But here’s a brief list of fixes for anyone still seeing problems: 

* Unusual battery depletion is almost always caused by people choosing to “Restore from backup” instead of “Setup as new iPhone” when iTunes asks you. This isn’t caused by either the jailbreak or the unlock, but it’s a common 3.0 snafu. The fix is to just re-run the official 3.0 restore and choose “Setup as new” this time. Your music and apps and all that will still be synced, but you’ll get rid of any conflicting wifi, bluetooth, or carrier settings. Then just re-run redsn0w and install ultrasn0w. 
* Remember, ultrasn0w works with hacktivated phones too, but don’t outsmart redsn0w into thinking you don’t need hacktivation! If you don’t plan on using an official sim, don’t activate via iTunes with such a sim. Just keep your unofficial sim at all times and let redsn0w and ultrasn0w handle hacktivation 
* T-Mobile in the USA doesn’t use the 3G frequencies that the iPhones support, so turn off 3G in Settings->General->Network. (Some T-Mobile territories gracefully hand down to Edge mode, but most do not). 
* Certain unofficial plans have limitations on whether you can make calls and use data at the same time. That’s not unlock-related. 
* Some people have installed previous versions of ultrasn0w using non-standard techniques. While the ultrasn0w 0.9 update should have removed all previous versions of ultrasn0w, these users may have outsmarted our removal. So make sure you don’t still see /usr/bin/ultrasn0w present if you’re at ultrasn0w 0.9 (which doesn’t have such a binary anymore). 
* If you don’t need or plan to update to ultrasn0w 0.9 from a previous version, you can avoid having that red badge over Cydia by removing repo666 as a Cydia source. Don’t worry, you can always add it back later  If you follow us on twitter you’ll be advised of any new updates anyway.

(via iPhone Dev Team Blog)

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Last night we released updated versions of our redsn0w jailbreak and ultrasn0w carrier unlock. These versions are now compatible with the iPhone 3GS running at 3.0. Welcome aboard, 3GS owners! (The tools of course remain compatible with all of the other platforms too.) Also last night, saurik released 3GS-compatible versions of MobileSubstrate and WinterBoard, components that enable many different add-ons and themes. 

We realize we upset some folks (e.g. existing 3GS owners) with our earlier announcement that we wanted to hold onto the 3GS iBoot-family hole until 3.1 was out. Our aim there was to get as many people as possible onboard (within reason of course) before revealing the hole, since Apple will fix it immediately. But all of that became moot when the purplera1n release was made, since it uses the same hole. 

For those of you who already own 3GS phones, the outlook is bright. As long as you have your personalized (signed) dfu/img3 files, you’ll always be able to jailbreak (even if you slip up and install stock Apple firmware in the future). For those of you without 3GS phones, it’s a race against the clock to use this particular hole. There’s nothing we can do about that, but we will always be looking for new holes. 

ultrasn0w unlockers — You all must remain particularly vigilant against upgrading your basebands, since doing so will kill the unlock (for most phones, there’s no going backwards in baseband version). Apple has gotten very serious with the latest baseband — they’ve removed 180 (!) commands in an effort to cut down their exposure to holes. So please always stay away from stock Apple IPSWs and instead use our tools as we release them. These tools let you update your firmware without updating your baseband. 

Those installing ultrasn0w will probably also need to do a single run of Settings->General->Reset->Reset Network Settings. We’re testing various fixes for that particular glitch. 

Once again, thanks to @Oranav for finding the new injection vector that allowed us to transform yellowsn0w for baseband 02.28 into ultrasn0w for baseband 04.26, and for not revealing it to Apple before it could be used where it would be most effective — firmware 3.0. 

redsn0w platforms — This is the first redsn0w release that also supports linux! It’s the newest version of the bunch, so any feedback would be appreciated. But right now, redsn0w should work on OS X, Windows, and linux. 

How to get the goods: 

The redsn0w torrent seeds are all here. Any direct mirroring help would also be appreciated. 
The updates to ultrasn0w, MobileSubstrate, and WinterBoard are all handled directly through Cydia (after you’ve jailbroken!) 
The Cydia repo for ultrasn0w is http://repo666.ultrasn0w.com (that last o in ultrasn0w is the number 0!)

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It seems like there is a dev team that currently wants to get the 3G S jailbreak out asap. This Unknown dev team over at http://iphone-unknowndev.blogspot.com/ sounds like bad news. They may be good at what they do but I would not recommend using any software or following them what so ever. They seem like amateur devs testing out a bunch of code signing and resigning trying to get the 3G S to boot up. Again I am warning everyone to have patience with the dev team and stay safe, otherwise if you use any other software that is not official dev team work you may end up with an expensive paper weight.

(via TheiPhoneSpot.net)

——

Meanwhile the real iPhone Dev Team have some further words to say concerning iPhone OS 3.1 BETA & the iPhone 3GS jailbreak/unlock

Remember we warned you to stay away from any updates to 3.1 if you want to be able to jailbreak or unlock your 3GS.

Well this is an additional message to all you 3GS owners that would like to jailbreak your device soon.

You may have read or heard about techniques to capture files during the iTunes restore process. These will be required to jailbreak your phone in the near future, most of the methods involve icky USB snoops. Well, there is an even better and more reliable method to get your hands on those lovely files.

During the restore process iTunes nicely keeps these oh-so-top-secret-files in a lovely accessible place for us to copy out and backup, that place? /tmp on Mac OS X or %TEMP% on Windows, thanks Apple, handy.

So during a usual recovery, your signed iBEC is written to /tmp and during a DFU mode restore and the signed iBSS is written there also. To be sure, restore in both modes one after another to be able to grab them both. You’ll need to keep an eye on the temp directory and grab it before it is deleted again by iTunes. I’m sure some nice folks will create a tutorial about this, we’ll link to the first person who makes a nice one.

The downside to this approach is that you actually need to go through the restore process to get these signed files.

Act fast, this needs to be done quickly!

IF YOU CARE ABOUT ULTRASN0W, BE VERY CAREFUL ABOUT THIS METHOD! The last thing you need to do is to accidentally restore to 3.1 beta — you’ll lose ultrasn0w if you do!

(via iPhone Dev Team Blog)

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Spock said it best: “The needs of the many outweigh the needs of the few…”

Summary:

We can jailbreak the 3GS right now.  But making our jailbreak public at this point in time would benefit relatively few people.  It would in fact be detrimental to many more people than it would help.  So we feel it’s best to keep our version of the jailbreak out of Apple’s sights for the time being.

Details:

If you already have a 3GS phone and have already done a full USB dump or captured your img3’s signed with your ECID, then you’re in great shape.  You will always be able to jailbreak.  But many people who plan on getting a 3GS do not yet have one. For instance, many people are waiting for their existing contracts to mature to the point where they get a price break on the 3GS.  Many people are trying to sell their 3G before they can buy the 3GS.  There are parts of the globe where you can’t even buy a 3GS yet! The reasons are varied, but they are many.

The nature of the 3GS hardware allows Apple to stop IPSWs from being usable unless you’ve already gotten the signed chunks they send to you based on your ECID (a unique chip ID).  You cannot get these signed chunks without knowing your ECID, and you don’t know your ECID until you’ve bought your 3GS.

The jailbreak requires at least one signed iBoot-family img3 for your device.  And that iBoot needs to have an exploitable bug.  It’s an all-or-nothing deal…you either have your signed exploitable iBoot ready to use, for now and forever — always jailbreakable — or you have nothing.

Here’s the critical point, the reason why we’re delaying our version of the jailbreak: Once the jailbreak is out, Apple will fix the iBoot-family bug we use to accomplish it.  They will simply stop signing the old iBoots and only sign the fixed ones.  If you bought your phone after Apple has done this, there’s nothing you can do…the jailbreak isn’t going to work for you.

It is possible that Apple will find the bug we use without our handing it to them on a silver platter (via a public jailbreak).  In that case, we will have delayed our jailbreak for “nothing”.  But we’d rather be safe than sorry!

Apple is surely coming out with a 3.0.1 firmware release shortly. They need to fix ultrasn0w.  They need to fix some UI issues.  3.0 is buggy and 3.0.1 is coming.  We’re going to wait and see what 3.0.1 brings before figuring out the release date for our version of the jailbreak.

In the meantime, we have some remaining 3.0 jailbreak issues to investigate, including push notification.  Thanks for being patient with us while we took a 3GS “timeout”!

(via The iPhone Dev Team Blog)

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